| 摘要 |
<p>A container (1) with an upper threaded part (2) is provided to which is screwed a suction pump (3) with inside thread (4). Said pump with a cylindrical outside body (5) and with a lower pipe (6) to suck the liquid contained in the container (1). Said pipe (6) is fitted into a valve (7) having in the upper part a push-rod (11) with piston (12) in contact with the main spring (13) and having in its inside a stem (14) that goes to fit into the cylindrical concavity (16) with a hole (17) communicates with a cannula (18) having on its end a hole (20) and placed onto the outside part of a cylindrical body (19). <IMAGE></p> |
