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经营范围
发明名称
ROEHREN-WAERMEAUSTAUSCHER.
摘要
申请公布号
DE1623578(U)
申请公布日期
1951.05.23
申请号
DE195100R2495U
申请日期
1951.04.05
申请人
FA. GUSTAV ROEHR
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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