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发明名称
Improvements in and relating to pipe couplings
摘要
申请公布号
GB489601(A)
申请公布日期
1938.07.29
申请号
GB19380000947
申请日期
1938.01.11
申请人
PATEX SOCIETE ANONYME;HANS KREIDEL
发明人
分类号
F16L27/113
主分类号
F16L27/113
代理机构
代理人
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