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发明名称
MICROPHONE APPLYING HALL ELEMENT
摘要
申请公布号
JPS52138917(A)
申请公布日期
1977.11.19
申请号
JP19760055305
申请日期
1976.05.17
申请人
ICHIKOH INDUSTRIES LTD
发明人
ONDA KUNIO;SHIMURA KIICHIROU;YAMAUCHI TSUNEO
分类号
H04R23/00
主分类号
H04R23/00
代理机构
代理人
主权项
地址
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