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发明名称
COORDINATE SWITCHING APPARATUS
摘要
申请公布号
SU597095(A2)
申请公布日期
1978.03.05
申请号
SU19742032230
申请日期
1974.06.04
申请人
KH POLT I IM. V.I.LENINA
发明人
KOVALEV VIKTOR ,SU
分类号
H04M5/08;G06G7/06;(IPC1-7):H04M5/08
主分类号
H04M5/08
代理机构
代理人
主权项
地址
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