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发明名称
Vorrichtung zur Bearbeitung der Ventilsitze von Brennkraftmaschinen
摘要
申请公布号
DE678773(C)
申请公布日期
1939.07.21
申请号
DE1938W102746D
申请日期
1938.01.25
申请人
ALBERT WIEDMANN
发明人
WIEDMANN ALBERT
分类号
B23C3/05
主分类号
B23C3/05
代理机构
代理人
主权项
地址
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