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发明名称
ELEKTRISCHE SICHERHEITSVORRICHTUNG FUER GAS- ODER OELBEHEIZTE FEUERSTAETTEN.
摘要
申请公布号
DE1946801(U)
申请公布日期
1966.09.29
申请号
DE196400H9883U
申请日期
1964.09.26
申请人
GEORG HEGWEIN
发明人
GEORG HEGWEIN
分类号
主分类号
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代理人
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