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经营范围
发明名称
REAR PROJECTION SCREEN FOR PROJECTOR
摘要
申请公布号
JPH03209233(A)
申请公布日期
1991.09.12
申请号
JP19900284498
申请日期
1990.10.24
申请人
GOLD STAR CO LTD
发明人
RI TOUKI
分类号
G03B21/62
主分类号
G03B21/62
代理机构
代理人
主权项
地址
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