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经营范围
发明名称
SHUTTER OPEN/CLOSE MECHANISM FOR DISK CARTRIDGE
摘要
申请公布号
JPH0250374(A)
申请公布日期
1990.02.20
申请号
JP19880200714
申请日期
1988.08.11
申请人
SONY CORP
发明人
SASAKI KAZUO
分类号
G11B23/03
主分类号
G11B23/03
代理机构
代理人
主权项
地址
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