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发明名称
MESSAGE SYSTEM FOR KEY TELEPHONE SYSTEM
摘要
申请公布号
JPH0231549(A)
申请公布日期
1990.02.01
申请号
JP19880180219
申请日期
1988.07.21
申请人
TAMURA ELECTRIC WORKS LTD
发明人
OKUMURA SENJI
分类号
H04M3/42;H04M3/432;H04Q3/58
主分类号
H04M3/42
代理机构
代理人
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