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发明名称
HIGH-SPEED VARIFOCAL OBJECTIVE SYSTEM
摘要
申请公布号
US3549235(A)
申请公布日期
1970.12.22
申请号
USD3549235
申请日期
1968.07.01
申请人
JOS. SCHNEIDER & CO.
发明人
KARL MACHER
分类号
G02B15/14;(IPC1-7):G02B15/14
主分类号
G02B15/14
代理机构
代理人
主权项
地址
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