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发明名称
DISPOSITIVO APERFEICOADO DE REFRACAO
摘要
申请公布号
BR7403501(D0)
申请公布日期
1974.11.19
申请号
BR19740003501
申请日期
1974.04.30
申请人
RCA CORP
发明人
D'AMATO R
分类号
B29D11/00;G02B1/04;G02B3/08;H01J9/227;H01J29/32;(IPC1-7):H02B7/00;H02B1/04;H04N9/28
主分类号
B29D11/00
代理机构
代理人
主权项
地址
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