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发明名称
Joint
摘要
申请公布号
US2257804(A)
申请公布日期
1941.10.07
申请号
US19390268187
申请日期
1939.04.17
申请人
LORD MANUFACTURING COMPANY
发明人
LORD HUGH C.
分类号
E04B1/82;E04B1/84;F16F1/50
主分类号
E04B1/82
代理机构
代理人
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地址
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