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发明名称
MANUFACTURE OF CARTRIDGE
摘要
PURPOSE:To manufacture a high-performance cartridge by eliminationg through electrolytic etching the process deterioration surface layer of the matching surface between the mechanically polished pole piece and the yoke.
申请公布号
JPS53105202(A)
申请公布日期
1978.09.13
申请号
JP19770020012
申请日期
1977.02.24
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
FUJIMURA KENICHI
分类号
H04R11/08;H04R11/12
主分类号
H04R11/08
代理机构
代理人
主权项
地址
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