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发明名称
DEVICE FOR SERVICING REQUESTS
摘要
申请公布号
SU1615716(A1)
申请公布日期
1990.12.23
申请号
SU19884617306
申请日期
1988.12.06
申请人
TSYGANKOV VLADIMIR M,SU;BOGUMIRSKIJ BORIS S,SU
发明人
TSYGANKOV VLADIMIR M,SU;BOGUMIRSKIJ BORIS S,SU
分类号
G06F9/50;G06F9/46
主分类号
G06F9/50
代理机构
代理人
主权项
地址
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