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经营范围
发明名称
Suction cleaner hose and coupling
摘要
申请公布号
US2257705(A)
申请公布日期
1941.09.30
申请号
US19400337350
申请日期
1940.05.27
申请人
SCOVILL MANUFACTURING COMPANY
发明人
SEYFRIED ARTHUR W.
分类号
A47L9/24;F16L27/08
主分类号
A47L9/24
代理机构
代理人
主权项
地址
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