作者: Steven J. Kunreuther
DOI:
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摘要: The planar knife blade extends rearwardly from the hollow base of needle assembly. is designed to be received in cylindrical opening body a fastener attacher. end partially obstructed by protruding shoulder. tangentially aligned with bore. It point proximate side surface through plane bisecting short distance beyond plane, so as accommodate Accordingly, assembly can used attachers either adapted receive knifeless or mounted within base.