JPS63136080U - - Google Patents

Info

Publication number

JPS63136080U

JPS63136080U JP2649287U JP2649287U JPS63136080U JP S63136080 U JPS63136080 U JP S63136080U JP 2649287 U JP2649287 U JP 2649287U JP 2649287 U JP2649287 U JP 2649287U JP S63136080 U JPS63136080 U JP S63136080U

Authority

JP

Japan

Prior art keywords

basin

discharge pipe

open end

side wall

circumferential surface

Prior art date

1987-02-24

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

• 230000008595 infiltration Effects 0.000 claims description 5
• 238000001764 infiltration Methods 0.000 claims description 5
• 230000035515 penetration Effects 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1