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经营范围
发明名称
Chuck adjusting device
摘要
申请公布号
US2513606(A)
申请公布日期
1950.07.04
申请号
US19490088735
申请日期
1949.04.21
申请人
WAHNISH GEORGE I
发明人
WAHNISH GEORGE I.
分类号
B23B31/36
主分类号
B23B31/36
代理机构
代理人
主权项
地址
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