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经营范围
发明名称
Dichtungsring mit elastischer Metalleinlage
摘要
申请公布号
DE528546(C)
申请公布日期
1931.07.01
申请号
DED528546D
申请日期
申请人
CHRISTIAN KAISER
发明人
分类号
F16J15/12
主分类号
F16J15/12
代理机构
代理人
主权项
地址
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