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发明名称
FOCUS CONTROLLER OF OPTICAL REPRODUCER
摘要
申请公布号
JPS53132308(A)
申请公布日期
1978.11.18
申请号
JP19770047042
申请日期
1977.04.22
申请人
SONY CORP
发明人
OKADA HITOSHI
分类号
G02B7/28;G11B7/08;G11B7/085
主分类号
G02B7/28
代理机构
代理人
主权项
地址
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