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发明名称
Wassermangelsicherung fuer gasbeheizte Wassererhitzer
摘要
申请公布号
DE671113(C)
申请公布日期
1939.02.01
申请号
DE1933R089338D
申请日期
1933.12.01
申请人
GEORG ROST
发明人
分类号
F23N1/08
主分类号
F23N1/08
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