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经营范围
发明名称
FILM FOR LOUDSPEAKER DIAPHRAGM
摘要
申请公布号
JPH01149699(A)
申请公布日期
1989.06.12
申请号
JP19870307649
申请日期
1987.12.07
申请人
TEIJIN LTD
发明人
HASEGAWA KINJI;NOMI NORIHIRO;HAMANO HISASHI;KATO HIDEO
分类号
H04R7/02
主分类号
H04R7/02
代理机构
代理人
主权项
地址
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