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发明名称
LOCAL EXCHANGE
摘要
申请公布号
JPH0246055(A)
申请公布日期
1990.02.15
申请号
JP19880196088
申请日期
1988.08.08
申请人
TOSHIBA CORP
发明人
IKEMORI KIMIO
分类号
H04M3/08;H04Q3/58;H04Q11/04
主分类号
H04M3/08
代理机构
代理人
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地址
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