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发明名称
Piston à écran
摘要
申请公布号
FR841552(A)
申请公布日期
1939.05.23
申请号
FRD841552
申请日期
1938.08.02
申请人
发明人
CHAMBOSSE HENRI
分类号
F02F3/12
主分类号
F02F3/12
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代理人
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