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发明名称
BUSY TRANSFER SYSTEM FOR AUTOMATIC EXCHANGE
摘要
申请公布号
JPH01278157(A)
申请公布日期
1989.11.08
申请号
JP19880106025
申请日期
1988.04.29
申请人
NEC CORP
发明人
KATAOKA KENJI
分类号
H04M3/46;H04M3/42
主分类号
H04M3/46
代理机构
代理人
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