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发明名称
Clutch
摘要
申请公布号
US1937070(A)
申请公布日期
1933.11.28
申请号
US19310549593
申请日期
1931.07.09
申请人
ROCKFORD DRILLING MACHINE CO.
发明人
RUESENBERG CARL A.
分类号
F16D13/71
主分类号
F16D13/71
代理机构
代理人
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地址
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