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发明名称
Perfectionnement apporté dans l'établissement des pistons et produit industriel en résultant
摘要
申请公布号
FR816319(A)
申请公布日期
1937.08.05
申请号
FRD816319
申请日期
1937.01.14
申请人
发明人
LECAT PIERRE
分类号
F02F3/00
主分类号
F02F3/00
代理机构
代理人
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