| 摘要 |
952,780. Making anchor-nuts. UNITEDCARR FASTENER CORPORATION. May 15, 1961 [May 18, 1960], No. 17649/61. Heading B3A. [Also in Division F2] A drawn sheet-metal nut (see Division F2) for anchoring in a hole in wood, soft metal or synthetic resin, has fins 3 formed by shearing the barrel 1 longitudinally. |
