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经营范围
发明名称
DRILLING CHUCK
摘要
申请公布号
GB8819251(D0)
申请公布日期
1988.09.14
申请号
GB19880019251
申请日期
1988.08.12
申请人
METABOWERKE GMBH & CO
发明人
分类号
B23B31/12;B25D17/08;(IPC1-7):B23B31/04
主分类号
B23B31/12
代理机构
代理人
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