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发明名称
INFRAROT - STRAHLUNGSHEIZUNG.
摘要
申请公布号
DE1681386(U)
申请公布日期
1954.08.12
申请号
DE195400SC169U
申请日期
1954.05.12
申请人
HANS SCHIEREN
发明人
HANS SCHIEREN
分类号
主分类号
代理机构
代理人
主权项
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