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发明名称
Verfahren zur Herstellung eines im Betrieb schwach belasteten elektrischen Heizkoerpers
摘要
申请公布号
DE679823(C)
申请公布日期
1939.08.14
申请号
DE1937C052664D
申请日期
1937.04.04
申请人
ETIENNE CHALLET;ENTREPRISES ELECTRIQUES FRIBOURGEOISES
发明人
分类号
H05B3/28
主分类号
H05B3/28
代理机构
代理人
主权项
地址
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