| 摘要 |
<p>PURPOSE: To measure a residual amount of liquid agent contained in a bag. CONSTITUTION: A device is comprised of a collapsible clamber 2 to be used for holding liquid agent, a non-collapsible outlet the 3 connected to the chamber 2 and a breath device 4 for use in connecting the chamber to the atmosphere. This invention is characterized in that the bag is provided with a scale at its transparent side surface.</p> |
