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经营范围
发明名称
Linsensystem mit veraenderbarer Brennweite
摘要
申请公布号
DE1113097(B)
申请公布日期
1961.08.24
申请号
DE1956E013216
申请日期
1956.11.12
申请人
THE EDNALITE OPTICAL COMPANY INC.
发明人
BECHTOLD EDWIN W.;KAPILOW MARVIN;WEINSTEIN ALEX J.
分类号
G02B15/14
主分类号
G02B15/14
代理机构
代理人
主权项
地址
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