JPS62196275U - - Google Patents

Info

Publication number

JPS62196275U

JPS62196275U JP8461786U JP8461786U JPS62196275U JP S62196275 U JPS62196275 U JP S62196275U JP 8461786 U JP8461786 U JP 8461786U JP 8461786 U JP8461786 U JP 8461786U JP S62196275 U JPS62196275 U JP S62196275U

Authority

JP

Japan

Prior art keywords

water level

ventilation fan

detection device

aquarium

level detection

Prior art date

1986-06-02

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

• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
• 238000009423 ventilation Methods 0.000 claims description 5
• 238000001514 detection method Methods 0.000 claims description 3
• 235000014676 Phragmites communis Nutrition 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000005406 washing Methods 0.000 description 1