| 分类号 |
B41F7/02;B41F5/06;B41F5/08;B41F7/12;B41F7/40;B41F11/00;B41F13/00;B41F13/24;B41F13/28;B41F13/32;B41F13/44;B41F13/54;B41F13/56;B41F13/58;B41F13/60;B41F27/12;B41F31/02;B41F31/30;B41F31/32;B65H19/10;B65H19/12;B65H19/18;B65H45/12;B65H45/14;B65H45/16;B65H45/18;B65H45/28;(IPC1-7):B41F13/00;B65H19/30;B65H21/00 |
主分类号 |
B41F7/02 |
