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经营范围
发明名称
Leuchtvorrichtung mit automatischem Lampenwechsel.
摘要
申请公布号
CH281593(A)
申请公布日期
1952.03.15
申请号
CHD281593
申请日期
1950.04.15
申请人
WALTHERT,ROBERT
发明人
WALTHERT,ROBERT
分类号
F21V19/04
主分类号
F21V19/04
代理机构
代理人
主权项
地址
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