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This page displays all 「FI」 in main group E21C27/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Machines which completely free the mineral from the seam | HB | CC | 2D065 | |
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.specially adapted for removing overhanging coal | HB | CC | 2D065 | |
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.solely by slitting (rods, drums, for same E21C 25/10; saws, discs, wheels E21C 25/18; chains, chain guides, for same E21C 25/28) | HB | CC | 2D065 | |
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..by a single chain guided on a frame with or without auxiliary slitting means | HB | CC | 2D065 | |
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...with a slewing frame | HB | CC | 2D065 | |
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..with additional means for cutting the mineral into blocks | HB | CC | 2D065 | |
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.by both slitting and breaking-down | HB | CC | 2D065 | |
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..breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools | HB | CC | 2D065 | |
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..breaking-down effected by force or pressure applied to side of slit, e.g. by wedges (breaking-down by means inserted in boreholes E21C 37/00) | HB | CC | 2D065 | |
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...with means for both slitting and breaking-down | HB | CC | 2D065 | |
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.by both slitting and planing | HB | CC | 2D065 | |
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.Mineral freed by means not involving slitting | HB | CC | 2D065 | |
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..by rotary drills with breaking-down means, e.g. wedge-shaped drills | HB | CC | 2D065 | |
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..by milling means acting on the full working face | HB | CC | 2D065 | |
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..by closely adjacent cutter chains acting on the full working face | HB | CC | 2D065 | |
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..by percussive drills with breaking-down means, e.g. wedge-shaped tools | HB | CC | 2D065 | |
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..by jaws, buckets, or scoops that scoop-out the mineral | HB | CC | 2D065 | |
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..by adjustable or non-adjustable planing means with or without loading arrangements (by percussed planing means E21C 27/46) | HB | CC | 2D065 | |
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...Machine propelled along the working face by cable or chain | HB | CC | 2D065 | |
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....Ram-ploughs | HB | CC | 2D065 | |
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...Machine self-propelled along the working face | HB | CC | 2D065 | |
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...Machine stationary while planing in an arc | HB | CC | 2D065 | |
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...Machine and its planing tool making alternative step-wise movements along the working face | HB | CC | 2D065 | |
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...combined with scraper or collector box | HB | CC | 2D065 | |
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...Planing knives (mining picks E21C 35/18) | HB | CC | 2D065 | |
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..by percussed planing means | HB | CC | 2D065 | |