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发明名称
METHOD AND APPARATUS FOR SIGNAL TRANSMISSION IN INTERPHONE SYSTEM
摘要
申请公布号
JPH0241064(A)
申请公布日期
1990.02.09
申请号
JP19880192319
申请日期
1988.08.01
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
UENO YOSHIAKI;MIZUGUCHI KEIICHI;TANIGAWA YOSHIHIRO
分类号
H04J1/00;H04M9/00
主分类号
H04J1/00
代理机构
代理人
主权项
地址
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