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发明名称
DISK TIGHTENING DEVICE
摘要
申请公布号
JPH02134779(A)
申请公布日期
1990.05.23
申请号
JP19880286721
申请日期
1988.11.15
申请人
FUJITSU LTD
发明人
SATO HISASHI
分类号
G11B23/00;G11B17/038
主分类号
G11B23/00
代理机构
代理人
主权项
地址
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