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发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPH01305755(A)
申请公布日期
1989.12.11
申请号
JP19880137837
申请日期
1988.06.03
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
SAKURAI KEITARO;SANHONGI TOSHIRO;ASANUMA SATOSHI;KOBAYASHI TETSUO
分类号
H04M1/02;H04Q3/58
主分类号
H04M1/02
代理机构
代理人
主权项
地址
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