JPS6241318U - - Google Patents

Info

Publication number

JPS6241318U

JPS6241318U JP13223385U JP13223385U JPS6241318U JP S6241318 U JPS6241318 U JP S6241318U JP 13223385 U JP13223385 U JP 13223385U JP 13223385 U JP13223385 U JP 13223385U JP S6241318 U JPS6241318 U JP S6241318U

Authority

JP

Japan

Prior art keywords

floor

sleeve structure

penetrating sleeve

structure according

lid

Prior art date

1985-08-29

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

• 230000000149 penetrating effect Effects 0.000 claims description 4
• 238000003780 insertion Methods 0.000 claims 1
• 230000037431 insertion Effects 0.000 claims 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 230000002787 reinforcement Effects 0.000 description 1
• 239000010959 steel Substances 0.000 description 1

Cited By (2)