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经营范围
发明名称
Warmwasserheizungsanlage
摘要
申请公布号
DE645021(C)
申请公布日期
1937.05.20
申请号
DE1935V031606D
申请日期
1935.02.27
申请人
GEORGES VAN DER VENNET
发明人
分类号
F24D3/02
主分类号
F24D3/02
代理机构
代理人
主权项
地址
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