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发明名称
OPTICAL SYSTEMS COMPRISING A POSITIVE MEMBER AND A WEAK AUXILIARY MEMBER
摘要
申请公布号
CA494607(A)
申请公布日期
1953.07.21
申请号
CAD494607
申请日期
申请人
CANADIAN KODAK COMPANY
发明人
RUDOLF KINGSLAKE;HAROLD F. BENNETT
分类号
主分类号
代理机构
代理人
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