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经营范围
发明名称
ELECTROGRAPHIC STRUCTURE AND PROCESS
摘要
申请公布号
GB9108234(D0)
申请公布日期
1991.06.05
申请号
GB19910008234
申请日期
1991.04.17
申请人
ARMSTRONG WORLD INDUSTRIES INC
发明人
分类号
G03G5/02;G03G8/00;G03G15/01;G03G15/32
主分类号
G03G5/02
代理机构
代理人
主权项
地址
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