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发明名称
Leuchtschirm
摘要
申请公布号
DE902936(C)
申请公布日期
1954.01.28
申请号
DE1937S006282D
申请日期
1937.12.05
申请人
SIEMENS-REINIGER-WERKE AKTIENGESELLSCHAFT
发明人
HARTMANN DR. JOSEF HEINRICH
分类号
G21K4/00
主分类号
G21K4/00
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代理人
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