| 分类号 |
D06L1/16;C11D1/62;C11D3/00;C11D3/22;C11D3/28;C11D3/37;C11D3/50;C11D17/04;D06M13/02;D06M13/148;D06M13/224;D06M13/244;D06M13/248;D06M13/262;D06M13/322;D06M13/35;D06M13/352;D06M13/402;D06M13/405;D06M13/463;D06M13/467;D06M13/47;D06M13/473;D06M13/477;D06M15/21;D06P1/52;D06P5/08;(IPC1-7):D06M15/21 |
主分类号 |
D06L1/16 |
