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发明名称
Устройство для подводного фотографирования
摘要
申请公布号
SU83897(A1)
申请公布日期
1949.11.30
申请号
SU19310391250
申请日期
1931.12.13
申请人
VENGEROVSKIJ V.A.
发明人
VENGEROVSKIJ V.A.
分类号
G03B17/56;G03B41/00
主分类号
G03B17/56
代理机构
代理人
主权项
地址
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