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发明名称
Dispositif d'étanchéité d'un arbre rotatif
摘要
申请公布号
FR909976(A)
申请公布日期
1946.05.23
申请号
FRD909976
申请日期
1945.03.27
申请人
ATELIERS DES CHARMILLES S. A.
发明人
WENGER MARCEL
分类号
F16J15/38
主分类号
F16J15/38
代理机构
代理人
主权项
地址
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