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发明名称
Способ автоматического управления противопожарной заслонкой фильмового канала кинопроектора и устройство для его осуществления
摘要
申请公布号
SU94319(A1)
申请公布日期
1951.11.30
申请号
SU19500491573
申请日期
1950.07.10
申请人
SARKISYANTS E.A.
发明人
SARKISYANTS E.A.
分类号
G03B1/36;G03B21/18
主分类号
G03B1/36
代理机构
代理人
主权项
地址
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