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发明名称
Счетчик числа просечек в негативной киноленте
摘要
申请公布号
SU16929(A1)
申请公布日期
1930.09.30
申请号
SU19280034746
申请日期
1928.11.01
申请人
BOGATYREV S.A.
发明人
BOGATYREV S.A.
分类号
G06M3/00
主分类号
G06M3/00
代理机构
代理人
主权项
地址
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