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经营范围
发明名称
Kolben mit in seiner Laufflaeche ausmuendender Ringnut
摘要
申请公布号
DE864342(C)
申请公布日期
1953.01.26
申请号
DE1951N004595
申请日期
1951.10.23
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
LIEBE AUGUST ALBERT
分类号
F16J9/20
主分类号
F16J9/20
代理机构
代理人
主权项
地址
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