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发明名称
Устройство для продвигания фильма в кинематографических аппаратах
摘要
申请公布号
SU16996(A1)
申请公布日期
1930.09.30
申请号
SU19290056165
申请日期
1929.10.10
申请人
ARBUA A.F.
发明人
ARBUA A.F.
分类号
G03B1/28
主分类号
G03B1/28
代理机构
代理人
主权项
地址
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