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经营范围
发明名称
Purification of exhaust gases
摘要
申请公布号
US2807930(A)
申请公布日期
1957.10.01
申请号
US19550489996
申请日期
1955.02.23
申请人
OXY-CATALYST, INC.
发明人
BRATTON ALFRED I.
分类号
F01N3/20;F01N3/22;F01N3/30;F01N3/32;F01N3/36;F01N3/38;F01N13/14
主分类号
F01N3/20
代理机构
代理人
主权项
地址
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