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经营范围
发明名称
VACUUM CLEANING APPARATUS
摘要
申请公布号
GB8404051(D0)
申请公布日期
1984.03.21
申请号
GB19840004051
申请日期
1984.02.16
申请人
STEAM VACUUM EXTRACTION LTD
发明人
分类号
A47L7/00;A47L11/30;(IPC1-7):B08B3/10
主分类号
A47L7/00
代理机构
代理人
主权项
地址
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