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经营范围
发明名称
Perfectionnements aux pistons
摘要
申请公布号
FR689218(A)
申请公布日期
1930.09.03
申请号
FRD689218
申请日期
1930.01.31
申请人
发明人
DOCK HERMAN
分类号
F16J1/22
主分类号
F16J1/22
代理机构
代理人
主权项
地址
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