JPS63184800U - - Google Patents

Info

Publication number

JPS63184800U

JPS63184800U JP7677487U JP7677487U JPS63184800U JP S63184800 U JPS63184800 U JP S63184800U JP 7677487 U JP7677487 U JP 7677487U JP 7677487 U JP7677487 U JP 7677487U JP S63184800 U JPS63184800 U JP S63184800U

Authority

JP

Japan

Prior art keywords

hole

iron plate

continuous

center

utility

Prior art date

1987-05-20

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 6
• 229910052742 iron Inorganic materials 0.000 claims description 3
• 238000007790 scraping Methods 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1