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发明名称
Joint
摘要
申请公布号
US2895753(A)
申请公布日期
1959.07.21
申请号
US19560560027
申请日期
1956.01.18
申请人
F. FENTIMAN & SONS, LTD.
发明人
FENTIMAN ARTHUR E.
分类号
E04B1/19;F16B7/04
主分类号
E04B1/19
代理机构
代理人
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地址
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