This page displays all 「FI」 in main group E21B6/00. |
HB:Handbook | ||||
CC:Concordance |
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Drives for drilling with combined rotary and percussive action [2006.01] | HB | CC | 2D129 | |
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.the rotation being continuous [7] | HB | CC | 2D129 | |
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..Separate drives for percussion and rotation [7] | HB | CC | 2D129 | |
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.the rotation being intermittent, e.g. obtained by a ratchet device [7] | HB | CC | 2D129 | |
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..Separate drives for percussion and rotation [7] | HB | CC | 2D129 | |