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发明名称
TELEPHONE SYSTEM
摘要
申请公布号
JPH01248863(A)
申请公布日期
1989.10.04
申请号
JP19880077673
申请日期
1988.03.30
申请人
TOSHIBA CORP
发明人
NAKAYAMA YASUNOBU
分类号
H04M3/50;H04M1/65;H04M3/42;H04Q3/58
主分类号
H04M3/50
代理机构
代理人
主权项
地址
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