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经营范围
发明名称
Coupling
摘要
申请公布号
US2146764(A)
申请公布日期
1939.02.14
申请号
US19360116845
申请日期
1936.12.21
申请人
LOUIS RICEFIELD
发明人
RICEFIELD LOUIS
分类号
F16D3/74
主分类号
F16D3/74
代理机构
代理人
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