JPH01168658U - - Google Patents

Info

Publication number

JPH01168658U

JPH01168658U JP6160388U JP6160388U JPH01168658U JP H01168658 U JPH01168658 U JP H01168658U JP 6160388 U JP6160388 U JP 6160388U JP 6160388 U JP6160388 U JP 6160388U JP H01168658 U JPH01168658 U JP H01168658U

Authority

JP

Japan

Prior art keywords

corner

opening

frame

pipe

pipes

Prior art date

1988-05-12

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

• 238000010276 construction Methods 0.000 claims description 4
• 229910000831 Steel Inorganic materials 0.000 claims 1
• 239000010959 steel Substances 0.000 claims 1
• 230000037431 insertion Effects 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1

Cited By (1)