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发明名称
Coupling device
摘要
申请公布号
US2118990(A)
申请公布日期
1938.05.31
申请号
US19350040637
申请日期
1935.09.14
申请人
WILLIAM TODD
发明人
TODD WILLIAM
分类号
A01D34/33;B62D7/20;B62D7/22
主分类号
A01D34/33
代理机构
代理人
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地址
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