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经营范围
发明名称
SOUNDING AID DEVICE
摘要
申请公布号
JPS6131150(A)
申请公布日期
1986.02.13
申请号
JP19840153657
申请日期
1984.07.23
申请人
MURATA MFG CO LTD
发明人
NAKAYAMA FUMIO;YUGAWA KATSUMI
分类号
A61F2/20
主分类号
A61F2/20
代理机构
代理人
主权项
地址
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