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经营范围
发明名称
AIR CLEANER
摘要
申请公布号
CA495205(A)
申请公布日期
1953.08.11
申请号
CAD495205
申请日期
申请人
DONALDSON COMPANY
发明人
SILAS H. BEACH
分类号
主分类号
代理机构
代理人
主权项
地址
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