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经营范围
发明名称
Vorrichtung zur Anzeige brennbarer Gase in der Luft
摘要
申请公布号
DE519960(C)
申请公布日期
1931.05.19
申请号
DE1926SC80671D
申请日期
1926.11.07
申请人
DR. RUDOLF SCHEUBLE
发明人
分类号
G01N25/32
主分类号
G01N25/32
代理机构
代理人
主权项
地址
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