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发明名称
Boltless expansion and connecting joint
摘要
申请公布号
US2032713(A)
申请公布日期
1936.03.03
申请号
US19330672772
申请日期
1933.05.25
申请人
PARIS CLARENCE H
发明人
PARIS CLARENCE H.
分类号
E01B11/44
主分类号
E01B11/44
代理机构
代理人
主权项
地址
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