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经营范围
发明名称
SOUND INSULATOR
摘要
申请公布号
JPS5265418(A)
申请公布日期
1977.05.30
申请号
JP19750141990
申请日期
1975.11.27
申请人
PIONEER ELECTRONIC CORP
发明人
TANIGAWA YOUICHI;IMAI KUNIO
分类号
H04R1/02;E04B1/84;E04B1/98;G10K11/162;H04R1/28
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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