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发明名称
EDUCTION DEVICE
摘要
申请公布号
CA384552(A)
申请公布日期
1939.10.10
申请号
CAD384552
申请日期
申请人
CARBIDE AND CARBON CHEMICALS LIMITED
发明人
JOHN N. BURDICK;ERIC E. SOMMER
分类号
主分类号
代理机构
代理人
主权项
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