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发明名称
WASSERMANGELSICHERUNG MIT MEMBRANSCHALTER FUER GASWASSERHEIZER.
摘要
申请公布号
DE1736290(U)
申请公布日期
1956.12.20
申请号
DE195600V6898U
申请日期
1956.10.05
申请人
JOH. VAILLANT K.G.
发明人
分类号
主分类号
代理机构
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