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经营范围
发明名称
AIR-PURIFYING AND AIR-COMPRESSING APPARATUS
摘要
申请公布号
CA433622(A)
申请公布日期
1946.03.19
申请号
CAD433622
申请日期
申请人
JOHN R. FOLMER
发明人
JOHN R. FOLMER
分类号
主分类号
代理机构
代理人
主权项
地址
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