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发明名称
LIGHTWEIGHT DISPLAY BOARD SYSTEM
摘要
申请公布号
GB9011528(D0)
申请公布日期
1990.07.11
申请号
GB19900011528
申请日期
1990.05.23
申请人
DAVIS, ALEC;THOMPSON, JOE
发明人
分类号
A47B96/20;A47F5/10;E04H1/12;G09F15/00
主分类号
A47B96/20
代理机构
代理人
主权项
地址
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