JPS631949Y2 - - Google Patents

Info

Publication number

JPS631949Y2

JPS631949Y2 JP9105283U JP9105283U JPS631949Y2 JP S631949 Y2 JPS631949 Y2 JP S631949Y2 JP 9105283 U JP9105283 U JP 9105283U JP 9105283 U JP9105283 U JP 9105283U JP S631949 Y2 JPS631949 Y2 JP S631949Y2

Authority

JP

Japan

Prior art keywords

lid

container

inner lid

air

seal

Prior art date

1983-06-13

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

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• 238000009423 ventilation Methods 0.000 claims 1
• 238000012856 packing Methods 0.000 description 12
• 241001247986 Calotropis procera Species 0.000 description 5
• 239000002184 metal Substances 0.000 description 5
• 239000007788 liquid Substances 0.000 description 4
• 230000007423 decrease Effects 0.000 description 2
• 210000000078 claw Anatomy 0.000 description 1
• 238000004891 communication Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000011521 glass Substances 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 239000011810 insulating material Substances 0.000 description 1
• 230000007257 malfunction Effects 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1
• 239000012780 transparent material Substances 0.000 description 1