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发明名称
Article lumineux
摘要
申请公布号
CH320610(A)
申请公布日期
1957.03.31
申请号
CHD320610
申请日期
1955.05.20
申请人
DESFOURNEAUX,EUGENE
发明人
DESFOURNEAUX,EUGENE
分类号
G04B19/32
主分类号
G04B19/32
代理机构
代理人
主权项
地址
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