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发明名称
Бобина для кинематографических аппаратов
摘要
申请公布号
SU24236(A1)
申请公布日期
1931.11.30
申请号
SUD24236
申请日期
1930.08.21
申请人
PETROSYAN P.M.
发明人
PETROSYAN P.M.
分类号
G03B17/30;B65H75/14
主分类号
G03B17/30
代理机构
代理人
主权项
地址
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