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发明名称
Perfectionnements apportés aux joints de tuyauteries et autres
摘要
申请公布号
FR707905(A)
申请公布日期
1931.07.16
申请号
FRD707905
申请日期
1930.12.17
申请人
SOCIETE FRANCAISE DES CONSTRUCTIONS BABCOCK & WILCOX
发明人
分类号
F16L13/06
主分类号
F16L13/06
代理机构
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