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发明名称
TUBULAR COUPLING FOR SUCTION CLEANER
摘要
申请公布号
CA432424(A)
申请公布日期
1946.01.08
申请号
CAD432424
申请日期
申请人
THE P. A. GEIR COMPANY
发明人
EUGENE F. MARTINET
分类号
A47L9/24;F16L27/107
主分类号
A47L9/24
代理机构
代理人
主权项
地址
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