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经营范围
发明名称
Suction nozzle
摘要
申请公布号
US2140874(A)
申请公布日期
1938.12.20
申请号
US19350018591
申请日期
1935.04.27
申请人
JUELSON AGNES S
发明人
JUELSON AGNES S.
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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