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经营范围
发明名称
Device permitting the examination of objects whilst experiencing the sensation of relief
摘要
申请公布号
GB992391(A)
申请公布日期
1965.05.19
申请号
GB19610018003
申请日期
1961.05.17
申请人
JOSEPH DELPIERRE
发明人
分类号
G02B27/26
主分类号
G02B27/26
代理机构
代理人
主权项
地址
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