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经营范围
发明名称
IMPROVEMENTS IN THE CLEANING OF THE INTERIOR OF ELONGATE PASSAGES
摘要
申请公布号
GB8902624(D0)
申请公布日期
1989.03.30
申请号
GB19890002624
申请日期
1989.02.07
申请人
PROGRESSIVE TECHNICAL SERVICES LIMITED
发明人
分类号
B08B9/043;F28G3/16
主分类号
B08B9/043
代理机构
代理人
主权项
地址
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