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经营范围
发明名称
Record reading apparatus
摘要
申请公布号
GB962663(A)
申请公布日期
1964.07.01
申请号
GB19600039735
申请日期
1960.11.18
申请人
SPERRY GYROSCOPE COMPANY OF CANADA, LTD.
发明人
分类号
G06K7/02
主分类号
G06K7/02
代理机构
代理人
主权项
地址
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