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摘要
申请公布号
US2320188(A)
申请公布日期
1943.05.25
申请号
US19400330279
申请日期
1940.04.18
申请人
MIGUEL LOPEZ-HENRIQUEZ
发明人
LOPEZ-HENRIQUEZ MIGUEL
分类号
G03B31/00
主分类号
G03B31/00
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