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发明名称
Устройство для защиты объективов смотровых приборов от пыли, влаги и грязи и т.п.
摘要
申请公布号
SU67861(A1)
申请公布日期
1946.11.30
申请号
SU19440014433
申请日期
1944.08.12
申请人
KOBZEV P.M.
发明人
KOBZEV P.M.
分类号
G02C7/16
主分类号
G02C7/16
代理机构
代理人
主权项
地址
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