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发明名称
HEIZKESSEL.
摘要
申请公布号
DE1653794(U)
申请公布日期
1953.04.09
申请号
DE195300D5609U
申请日期
1953.01.15
申请人
DEUTSCHER KOHLEN-VERKAUF VERKAUFSZENTRALE DER DEUTSCHEN KOHLENBERGBAU-LEITUNG
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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