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经营范围
发明名称
INTERPHONE SYSTEM
摘要
申请公布号
JPH1168980(A)
申请公布日期
1999.03.09
申请号
JP19970229283
申请日期
1997.08.26
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
OKUYAMA TAKESHI;KAWAHARA YUZO;NOHAYASHI MASAKI;ASAHIDA MASAHIRO;IWABUCHI KOUTA
分类号
H04M9/00;(IPC1-7):H04M9/00
主分类号
H04M9/00
代理机构
代理人
主权项
地址
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