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发明名称
IMPROVEMENTS IN AND RELATING TO DUST CONTROL BOOTHS
摘要
申请公布号
GB9021766(D0)
申请公布日期
1990.11.21
申请号
GB19900021766
申请日期
1990.10.06
申请人
EXTRACT TECHNOLOGY LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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