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发明名称
Dispositif d'étanchéité pour arbre rotatif et ses applications
摘要
申请公布号
FR866737(A)
申请公布日期
1941.08.30
申请号
FRD866737
申请日期
1940.08.14
申请人
发明人
DARDELET ROBERT LEON
分类号
F16J15/36
主分类号
F16J15/36
代理机构
代理人
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