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发明名称
GASBEHEIZTER KACHELOFEN MIT LUFTKANAL AUS METALL.
摘要
申请公布号
DE1649036(U)
申请公布日期
1953.01.08
申请号
DE19521649036U
申请日期
1952.11.11
申请人
KARL DREWITZ
发明人
KARL DREWITZ
分类号
主分类号
代理机构
代理人
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