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发明名称
Improvements in or relating to suction cleaner nozzles
摘要
申请公布号
GB768082(A)
申请公布日期
1957.02.13
申请号
GB19530001786
申请日期
1953.01.21
申请人
HANS WESSEL
发明人
分类号
A47L9/06
主分类号
A47L9/06
代理机构
代理人
主权项
地址
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