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发明名称
A new projection screen
摘要
申请公布号
GB477384(A)
申请公布日期
1937.12.28
申请号
GB19360008917
申请日期
1936.03.25
申请人
ARTURO MARTINEZ;MATTEO MARTINEZ;ANGELO MARTINEZ
发明人
分类号
G03B21/56;G03B21/60
主分类号
G03B21/56
代理机构
代理人
主权项
地址
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