JPH0483850U - - Google Patents

Info

Publication number

JPH0483850U

JPH0483850U JP12761990U JP12761990U JPH0483850U JP H0483850 U JPH0483850 U JP H0483850U JP 12761990 U JP12761990 U JP 12761990U JP 12761990 U JP12761990 U JP 12761990U JP H0483850 U JPH0483850 U JP H0483850U

Authority

JP

Japan

Prior art keywords

floor

insertion hole

hollow part

reinforcing pipe

lid body

Prior art date

1990-11-29

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

• 230000037431 insertion Effects 0.000 claims description 4
• 238000003780 insertion Methods 0.000 claims description 4
• 230000003014 reinforcing effect Effects 0.000 claims 3
• 230000002787 reinforcement Effects 0.000 description 1

Cited By (2)