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发明名称
Perfectionnements aux raccords pour tuyaux
摘要
申请公布号
FR942240(A)
申请公布日期
1949.02.02
申请号
FRD942240
申请日期
1947.02.22
申请人
发明人
SIGMUND FRANTISEK
分类号
F16L37/124
主分类号
F16L37/124
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