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经营范围
发明名称
MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPS6093620(A)
申请公布日期
1985.05.25
申请号
JP19830200608
申请日期
1983.10.26
申请人
RICOH KK
发明人
ICHIKAWA AKIRA;KONAGAYA YUKIO;KATOU KAZUO
分类号
G11B5/702;C09D5/23;C09D167/00;C09D175/06
主分类号
G11B5/702
代理机构
代理人
主权项
地址
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