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经营范围
发明名称
AIR CLEANER
摘要
申请公布号
CA407174(A)
申请公布日期
1942.09.01
申请号
CAD407174
申请日期
申请人
FRANK A. DONALDSON, JR.;MAE D. BUCKEYE;RUTH C. DONALDSON;SCOTT DONALDSON;JOAN DONALDSON;ROBERT H. DONALDSON;A. DONALDSON OLIN;DONALDSON COMPANY;RALPH A. BUCKEYE
发明人
JOHN C. ENBLOM
分类号
主分类号
代理机构
代理人
主权项
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