JPH01170233U - - Google Patents

Info

Publication number

JPH01170233U

JPH01170233U JP6692488U JP6692488U JPH01170233U JP H01170233 U JPH01170233 U JP H01170233U JP 6692488 U JP6692488 U JP 6692488U JP 6692488 U JP6692488 U JP 6692488U JP H01170233 U JPH01170233 U JP H01170233U

Authority

JP

Japan

Prior art keywords

bathtub

bubble injection

detection means

bubble

water level

Prior art date

1988-05-20

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

• 238000002347 injection Methods 0.000 claims description 8
• 239000007924 injection Substances 0.000 claims description 8
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
• 238000001514 detection method Methods 0.000 claims description 3
• 238000010586 diagram Methods 0.000 description 1