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发明名称
Doppelmantelkamin
摘要
申请公布号
DE809486(C)
申请公布日期
1951.07.30
申请号
DE1950S001825
申请日期
1950.02.23
申请人
SPRING & SOEHNE
发明人
SPRING FRITZ;SPRING MAX
分类号
E04F17/02
主分类号
E04F17/02
代理机构
代理人
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地址
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