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发明名称
Automatische Schwimmbadheizung
摘要
申请公布号
DE1559216(A1)
申请公布日期
1969.07.10
申请号
DE19651559216
申请日期
1965.03.30
申请人
MAASS,HELMUT
发明人
MAASS,HELMUT
分类号
E04H4/12
主分类号
E04H4/12
代理机构
代理人
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地址
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