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经营范围
发明名称
Improvements in or relating to pipe couplings
摘要
申请公布号
GB608055(A)
申请公布日期
1948.09.09
申请号
GB19460002570
申请日期
1946.01.25
申请人
SOCIETE DES RACCORDS BAG
发明人
分类号
F16L37/252;F16L37/42
主分类号
F16L37/252
代理机构
代理人
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