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发明名称
Vorrichtung zur selbsttaetigen Feststellung und Fernmeldung der Anwesenheit brennbarer Gase in atmosphaerischer Luft
摘要
申请公布号
DE678044(C)
申请公布日期
1941.10.07
申请号
DE1937S129019D
申请日期
1937.10.06
申请人
PAUL SEWERIN;HEINRICH SEWERIN
发明人
SEWERIN HERMANN
分类号
G01N25/36
主分类号
G01N25/36
代理机构
代理人
主权项
地址
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