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发明名称
Vorrichtung zum Anzeigen brennbarer Gase in der Luft
摘要
申请公布号
DE536333(C)
申请公布日期
1931.10.22
申请号
DED536333D
申请日期
1930.05.10
申请人
DIPL.-ING. KURT FALK
发明人
分类号
G01N7/12
主分类号
G01N7/12
代理机构
代理人
主权项
地址
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