JPS6441497U - - Google Patents

Info

Publication number

JPS6441497U

JPS6441497U JP13716187U JP13716187U JPS6441497U JP S6441497 U JPS6441497 U JP S6441497U JP 13716187 U JP13716187 U JP 13716187U JP 13716187 U JP13716187 U JP 13716187U JP S6441497 U JPS6441497 U JP S6441497U

Authority

JP

Japan

Prior art keywords

underwater sightseeing

mother ship

platform member

sightseeing boat

guide

Prior art date

1987-09-08

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 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 230000004048 modification Effects 0.000 description 1
• 238000012986 modification Methods 0.000 description 1
• 239000010959 steel Substances 0.000 description 1