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发明名称
ROTARY GRINDING DEVICE
摘要
申请公布号
JPH0319116(A)
申请公布日期
1991.01.28
申请号
JP19890152324
申请日期
1989.06.16
申请人
HITACHI LTD
发明人
OKU TSUNEO;OCHIAI YUJI
分类号
G11B5/53
主分类号
G11B5/53
代理机构
代理人
主权项
地址
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