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经营范围
发明名称
Telescope
摘要
申请公布号
US2126335(A)
申请公布日期
1938.08.09
申请号
US19340751242
申请日期
1934.11.02
申请人
EUGENE DIETZGEN COMPANY
发明人
LANGSNER ADOLPH
分类号
G02B7/28
主分类号
G02B7/28
代理机构
代理人
主权项
地址
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