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发明名称
Устройство для включения индивидуальных счетчиков числа
摘要
申请公布号
SU60053(A1)
申请公布日期
1940.11.30
申请号
SU19390001867
申请日期
1939.06.08
申请人
STOYANOV M.N.
发明人
STOYANOV M.N.
分类号
H04M15/36
主分类号
H04M15/36
代理机构
代理人
主权项
地址
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