JPS6236651U - - Google Patents

Info

Publication number

JPS6236651U

JPS6236651U JP12782285U JP12782285U JPS6236651U JP S6236651 U JPS6236651 U JP S6236651U JP 12782285 U JP12782285 U JP 12782285U JP 12782285 U JP12782285 U JP 12782285U JP S6236651 U JPS6236651 U JP S6236651U

Authority

JP

Japan

Prior art keywords

ventilation hole

wall

bottom wall

cover

peripheral wall

Prior art date

1985-08-23

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.)

Granted

Links

• Espacenet
• Global Dossier
• Discuss

• 238000009423 ventilation Methods 0.000 claims description 6
• 230000002093 peripheral effect Effects 0.000 claims description 4
• 230000000630 rising effect Effects 0.000 claims 1
• 239000004575 stone Substances 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Cited By (1)