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发明名称
MULTILAYER VIBRATION PLATE FOR SOUND TRANSDUCER AND METHOD OF MAKING SAID PLATE
摘要
申请公布号
JPS53132332(A)
申请公布日期
1978.11.18
申请号
JP19770046762
申请日期
1977.04.25
申请人
MITSUBISHI METAL CORP
发明人
DOI HIDEKAZU
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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Message board make-up and formed a tissue box
