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发明名称
NURSE CALL INTERPHONE SYSTEM
摘要
申请公布号
JPS6476198(A)
申请公布日期
1989.03.22
申请号
JP19870233363
申请日期
1987.09.17
申请人
MATSUSHITA ELECTRIC WORKS LTD;SHINSEI DENKI KOGYO KK
发明人
TANAKA TOSHIAKI
分类号
H04M9/00;G08B7/00
主分类号
H04M9/00
代理机构
代理人
主权项
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