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发明名称
Heizkessel
摘要
申请公布号
DE1911815(A1)
申请公布日期
1970.09.24
申请号
DE19691911815
申请日期
1969.03.08
申请人
VIESSMANN,HANS
发明人
VIESSMANN,HANS
分类号
F24H1/44;F24H1/50
主分类号
F24H1/44
代理机构
代理人
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地址
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