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发明名称
Lens
摘要
申请公布号
US2064550(A)
申请公布日期
1936.12.15
申请号
US19340754434
申请日期
1934.11.23
申请人
KAPELLA LIMITED
发明人
LEE HORACE WILLIAM
分类号
G02B13/00
主分类号
G02B13/00
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代理人
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