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经营范围
发明名称
Ecran de projection
摘要
申请公布号
CH338979(A)
申请公布日期
1959.06.15
申请号
CHD338979
申请日期
1957.02.12
申请人
JAYLE,GAETAN E.;D'HOSTE,GERARD THOMAS
发明人
E. JAYLE,GAETAN;THOMAS D'HOSTE,GERARD
分类号
G03B21/58
主分类号
G03B21/58
代理机构
代理人
主权项
地址
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