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发明名称
Gasanzeiger
摘要
申请公布号
DE889993(C)
申请公布日期
1953.09.14
申请号
DE1951N004858
申请日期
1951.12.22
申请人
NELLISSEN WILLY
发明人
NELLISSEN WILLY
分类号
G01N7/10
主分类号
G01N7/10
代理机构
代理人
主权项
地址
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