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经营范围
发明名称
Opaque projector
摘要
申请公布号
USRE32648(E)
申请公布日期
1988.04.19
申请号
US19860900322
申请日期
1986.08.25
申请人
发明人
分类号
G03B21/06
主分类号
G03B21/06
代理机构
代理人
主权项
地址
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