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发明名称
Purification of gases
摘要
申请公布号
US1989004(A)
申请公布日期
1935.01.22
申请号
US19310538886
申请日期
1931.05.20
申请人
CARBIDE AND CARBON CHEMICALS CORPORATION
发明人
FIFE HARVEY R.
分类号
C10K1/12
主分类号
C10K1/12
代理机构
代理人
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