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经营范围
发明名称
Stabfoermiger elektrischer Heizwiderstand
摘要
申请公布号
DE551707(C)
申请公布日期
1932.06.03
申请号
DE1927P056786D
申请日期
1927.12.25
申请人
PORZELLANFABRIK PH. ROSENTHAL & CO., A.-G.
发明人
DRAEGER DR.-ING. KURT
分类号
H05B3/14
主分类号
H05B3/14
代理机构
代理人
主权项
地址
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