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经营范围
发明名称
DATA INPUT DEVICE
摘要
申请公布号
SU943693(A1)
申请公布日期
1982.07.15
申请号
SU19803221964
申请日期
1980.12.22
申请人
BOLOTOV VALERYAN M,SU
发明人
BOLOTOV VALERYAN M,SU
分类号
G06F3/02;(IPC1-7):G06F3/02
主分类号
G06F3/02
代理机构
代理人
主权项
地址
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