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发明名称
HOLDER FOR RETAINING A SHANKED TOOL AND A TOOL FOR USE THEREWITH
摘要
申请公布号
GB1473504(A)
申请公布日期
1977.05.11
申请号
GB19730044511
申请日期
1974.09.10
申请人
HOY CO LTD A
发明人
分类号
E21C35/19;(IPC1-7):E21C35/18;F16B21/00
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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