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发明名称
Cleaning heads
摘要
This invention relates to a cleaning head and, more particularly, to a cleaning head traversable across a floor surface to direct a jet of cleaning water onto the surface.
申请公布号
US4107816(A)
申请公布日期
1978.08.22
申请号
US19760753470
申请日期
1976.12.22
申请人
BABCOCK KINA LIMITED
发明人
MATTHEWS, PAUL WILLIAM
分类号
A47L11/03;A47L11/30;(IPC1-7):A47L7/00
主分类号
A47L11/03
代理机构
代理人
主权项
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