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经营范围
发明名称
Epidiascope.
摘要
申请公布号
CH272871(A)
申请公布日期
1951.01.15
申请号
CHD272871
申请日期
1948.09.02
申请人
REYMOND,ROGER O.
发明人
O. REYMOND,ROGER
分类号
G03B21/08
主分类号
G03B21/08
代理机构
代理人
主权项
地址
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