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On this page, you can select 「MainGroup」 or 「Facet」 in B21L. |
HB:Handbook | ||||
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Select the desired 「MainGroup」 or 「facet」 etc. |
CC:Concordance | ||||
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Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape (B21L 3/00, B21L 7/00 take precedence) | HB | CC | 4E073 | |
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Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends (B21L 7/00 takes precedence) | HB | CC | 4E073 | |
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Making chains or chain links by working the starting material in such a way that integral, i.e. jointless, chain links are formed | HB | CC | 4E073 | |
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Making chains or chain links by cutting single loops or loop-parts from coils, assembling the cut parts and subsequently subjecting same to twisting with or without welding | HB | CC | 4E073 | |
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Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains (B21L 1/04, B21L 7/00, B21L 11/14, B21L 13/00 take precedence) | HB | CC | 4E073 | |
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Making chains or chain links of special shape | HB | CC | 4E073 | |
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Making terminal or intermediate chain links of special shape; Making couplings for chains, e.g. swivels, shackles | HB | CC | 4E073 | |
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Finishing or dressing chains or chain links, e.g. removing burr material, calibrating (B21L 9/06 takes precedence) | HB | CC | 4E073 | |
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Appurtenances for chain-making not restricted to any particular process | HB | CC | 4E073 | |
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Tools or implements for repairing chains using metal-working operations, e.g. for detaching deformed chain links | HB | CC | 4E073 | |
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Subject matter not provided for in other groups of this subclass [2009.01] | HB | CC | 4E073 | |