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发明名称
Vorrichtung zur Bündelung der Lichtstrahlen von Lampen, insbesondere von Batterie-Taschenlampen.
摘要
申请公布号
CH234448(A)
申请公布日期
1944.09.30
申请号
CHD234448
申请日期
1943.07.01
申请人
SENN,HANS
发明人
SENN,HANS
分类号
F21L4/00;F21V13/00;F21V14/00;F21V17/02;F21W101/10;F21Y101/00
主分类号
F21L4/00
代理机构
代理人
主权项
地址
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