| 摘要 |
PCT No. PCT/FR87/00286 Sec. 371 Date May 19, 1988 Sec. 102(e) Date May 19, 1988 PCT Filed Jul. 20, 1987 PCT Pub. No. WO88/00529 PCT Pub. Date Jan. 28, 1988.Ink jet printing head and replacement of bevel sticks in industrial tracers by an ink jet printing head provided with a set of deflection plates (3, 4, 5) so arranged and polarized that the electric field of deflection of droplets is orientable according to an angle which may vary from 0 DEG to 180 DEG . The applications cover particularly the field of industrial tracing techniques. |
