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发明名称
Dispositif destiné à assurer l'étanchéité du joint entre deux pièces présentant des parties circulaires concentriques
摘要
申请公布号
FR847556(A)
申请公布日期
1939.10.12
申请号
FRD847556
申请日期
1938.12.14
申请人
发明人
GUGGISBERG GUSTAVE
分类号
F16J15/34
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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