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发明名称
Verfahren zur Erzeugung von Kolbenringen mit schwach konischer Mantelfläche.
摘要
申请公布号
CH191291(A)
申请公布日期
1937.06.15
申请号
CHD191291
申请日期
1936.06.18
申请人
ISLER,FRITZ
发明人
ISLER,FRITZ
分类号
F16J9/00;F16J9/20
主分类号
F16J9/00
代理机构
代理人
主权项
地址
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