| 摘要 |
<p>The face of the supply box (10) which contacts the refrigerator compartment of the insulated container has gripping pads (15a-15c) connected to a vacuum pump and meter (23,24), tubes (6a,6b) with electro-valves (17) which enter refrigerator compartment orifices to supply liquid carbon dioxide from a reservoir (22) and contact sensors (16). An extractor pump (32) and pipe (30) applies a small vacuum at the time of connection</p> |
