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发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPH03295395(A)
申请公布日期
1991.12.26
申请号
JP19900097122
申请日期
1990.04.12
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
BABA MASAHIRO
分类号
H04M1/54;H04Q3/58
主分类号
H04M1/54
代理机构
代理人
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地址
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