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发明名称
TRACK COUNTER FOR OPTICAL DISK
摘要
申请公布号
JPH02183421(A)
申请公布日期
1990.07.18
申请号
JP19890003167
申请日期
1989.01.10
申请人
SHARP CORP
发明人
NOMURA MASARU;MATOBA KOJI;DEGUCHI TOSHIHISA;TERAJIMA SHIGEO
分类号
G11B7/085;G11B21/08
主分类号
G11B7/085
代理机构
代理人
主权项
地址
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