Exhaust gas purification catalyst comprises a heat-resistant oxide of formula: AMnxAl12-xO19 (where, A = alkaline earth metal, which can be replaced by alkali metal and/or rare earth; and x = 0.5 -4), and a precious metal.
申请公布号
DE19707275(A1)
申请公布日期
1997.10.09
申请号
DE1997107275
申请日期
1997.02.24
申请人
DAIHATSU MOTOR CO., LTD., IKEDA, OSAKA, JP;HOKKO CHEMICAL INDUSTRY CO. LTD., TOKIO/TOKYO, JP
