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发明名称
Bague d'étanchéité pour tuyaux à emboîtement en fonte avec joint à presse-étoupe
摘要
申请公布号
FR748517(A)
申请公布日期
1933.07.05
申请号
FRD748517
申请日期
1933.01.05
申请人
VEREINIGTE STAHLWERKE AKT. -GES.
发明人
分类号
F16L19/07
主分类号
F16L19/07
代理机构
代理人
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地址
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