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经营范围
发明名称
Suction nozzle
摘要
申请公布号
US2296077(A)
申请公布日期
1942.09.15
申请号
US19410406867
申请日期
1941.08.14
申请人
YONKERS JR EDWARD H
发明人
JR. EDWARD H. YONKERS,
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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