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经营范围
发明名称
Segment élastique hélicoïdal pour la garniture de pistons
摘要
申请公布号
FR833803(A)
申请公布日期
1938.11.02
申请号
FRD833803
申请日期
1938.02.16
申请人
发明人
MERCURIALI APPOLINARE
分类号
F16J9/00
主分类号
F16J9/00
代理机构
代理人
主权项
地址
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