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经营范围
发明名称
Loop restorer
摘要
申请公布号
US3065890(A)
申请公布日期
1962.11.27
申请号
US19590816821
申请日期
1959.05.29
申请人
BELL & HOWELL COMPANY
发明人
FOX MERRILL J.
分类号
G03B1/56
主分类号
G03B1/56
代理机构
代理人
主权项
地址
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