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发明名称
Couplings for the end-to-end connection of tubes or rods
摘要
申请公布号
GB793392(A)
申请公布日期
1958.04.16
申请号
GB19560003699
申请日期
1956.02.06
申请人
HERMANUS JOHANNES SCHOLTEN
发明人
分类号
E04G7/20;F16B2/14;F16B7/04
主分类号
E04G7/20
代理机构
代理人
主权项
地址
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