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发明名称
Perfectionnement à l'étanchéité des parties mobiles
摘要
申请公布号
FR817247(A)
申请公布日期
1937.08.30
申请号
FRD817247
申请日期
1936.05.07
申请人
发明人
FERNAND-JULES POUILLARD
分类号
F16J15/40
主分类号
F16J15/40
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代理人
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