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经营范围
发明名称
BACKGROUND PROJECTION SCREEN AND MANUFACTURE THEREOF
摘要
申请公布号
JPS62157023(A)
申请公布日期
1987.07.13
申请号
JP19860300168
申请日期
1986.12.18
申请人
PHILIPS GLOEILAMPENFAB:NV
发明人
YOHANESU KORUNERISU FUAN DE FUEN
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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