JPS61194026U - - Google Patents

Info

Publication number

JPS61194026U

JPS61194026U JP8033285U JP8033285U JPS61194026U JP S61194026 U JPS61194026 U JP S61194026U JP 8033285 U JP8033285 U JP 8033285U JP 8033285 U JP8033285 U JP 8033285U JP S61194026 U JPS61194026 U JP S61194026U

Authority

JP

Japan

Prior art keywords

ventilation

drainage

recess

ridge

main body

Prior art date

1985-05-27

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000009423 ventilation Methods 0.000 claims description 11
• 238000010276 construction Methods 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1