JPH0270039U - - Google Patents

Info

Publication number

JPH0270039U

JPH0270039U JP14742988U JP14742988U JPH0270039U JP H0270039 U JPH0270039 U JP H0270039U JP 14742988 U JP14742988 U JP 14742988U JP 14742988 U JP14742988 U JP 14742988U JP H0270039 U JPH0270039 U JP H0270039U

Authority

JP

Japan

Prior art keywords

insertion hole

closure body

manhole

back side

iron

Prior art date

1988-11-11

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

• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
• 230000037431 insertion Effects 0.000 claims description 5
• 238000003780 insertion Methods 0.000 claims description 5
• 229910052742 iron Inorganic materials 0.000 claims description 5
• 238000010586 diagram Methods 0.000 description 1