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发明名称
Abat-jour perfectionné
摘要
申请公布号
FR1175050(A)
申请公布日期
1959.03.19
申请号
FRD1175050
申请日期
1957.05.13
申请人
发明人
CASSAIGNE ROBERT-HENRI-ALBERT
分类号
F21V1/02
主分类号
F21V1/02
代理机构
代理人
主权项
地址
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