发明名称 IMPROVEMENTS IN TOOLS AND HOLDERS THEREFOR
摘要 The combination of a shanked tool and a holder therefor the holder being formed with a socket for receiving the tool shank and with a resilient latch biased in a direction transverse to the operating direction for engaging in a recess in the side of the tool shank.
申请公布号 ZA7106187(B) 申请公布日期 1972.05.31
申请号 ZA19710006187 申请日期 1971.09.15
申请人 AUSTIN HOY & CO LTD 发明人 PROCTOR S
分类号 E21C35/19 主分类号 E21C35/19
代理机构 代理人
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