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经营范围
发明名称
TRASDUTTORE ELETTROSTATICO
摘要
申请公布号
IT992831(B)
申请公布日期
1975.09.30
申请号
IT19730027521
申请日期
1973.08.03
申请人
SONY CORP
发明人
分类号
H04R19/00
主分类号
H04R19/00
代理机构
代理人
主权项
地址
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