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发明名称
Procédé concernant plus particulièrement la fabrication de soupapes creuses à plateau pour les moteurs à combustion interne
摘要
申请公布号
FR71984(E)
申请公布日期
1960.03.15
申请号
FRD71984
申请日期
1957.04.19
申请人
ALFRED TEVES, MASCHINEN- UND ARMATURENFABRIK K.G.
发明人
分类号
B21K1/22
主分类号
B21K1/22
代理机构
代理人
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