| 分类号 |
B01J29/86;B01J29/04;B01J29/65;B01J29/70;B01J29/80;B01J31/02;B01J31/18;C01B33/40;C01B39/04;C01B39/06;C01B39/12;C01B39/36;C01B39/42;C01G1/00;(IPC1-7):C01B33/28;C01G30/02;C01B33/20;C01B35/12;C01G17/00;C01G28/02;C01G31/00;C01G37/14;C01G39/00;C01G45/12;C01G49/00 |
主分类号 |
B01J29/86 |
