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经营范围
发明名称
Thermostatschalter, der in einem gasdicht abgeschlossenen, mit einem leichten Gase, beispielsweise Wasserstoff, gefuellten Behaelter untergebracht ist
摘要
申请公布号
DE581345(C)
申请公布日期
1933.07.26
申请号
DE1931A064360D
申请日期
1931.12.08
申请人
AKTIEBOLAGET BIRKA REGULATOR
发明人
分类号
H01H1/66
主分类号
H01H1/66
代理机构
代理人
主权项
地址
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