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发明名称
Optical system and method
摘要
申请公布号
US2055859(A)
申请公布日期
1936.09.29
申请号
US19330698342
申请日期
1933.11.16
申请人
DIETERICH LUDWIG M
发明人
DIETERICH LUDWIG M.
分类号
G02B15/00
主分类号
G02B15/00
代理机构
代理人
主权项
地址
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