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发明名称
Glasplatte zur Darstellung von leuchtenden Zeichen.
摘要
申请公布号
CH163785(A)
申请公布日期
1933.08.31
申请号
CHD163785
申请日期
1932.07.13
申请人
AKTIENGESELLSCHAFT BROWN, BOVERI & CIE.
发明人
CIE. AKTIENGESELLSCHAFT BROWN, BOVERI &
分类号
G04B19/30
主分类号
G04B19/30
代理机构
代理人
主权项
地址
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