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发明名称
PRODUCTION OF DIAPHRAGM FOR SPEAKER
摘要
申请公布号
JPH0440799(A)
申请公布日期
1992.02.12
申请号
JP19900149243
申请日期
1990.06.07
申请人
MITSUBISHI ELECTRIC CORP
发明人
OKUMURA MASATOMI;UCHIUMI YOSHIKAZU;SAITO KIYOSHI
分类号
H04R7/02;H04R31/00
主分类号
H04R7/02
代理机构
代理人
主权项
地址
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