JPS63159605U - - Google Patents

Info

Publication number

JPS63159605U

JPS63159605U JP4690787U JP4690787U JPS63159605U JP S63159605 U JPS63159605 U JP S63159605U JP 4690787 U JP4690787 U JP 4690787U JP 4690787 U JP4690787 U JP 4690787U JP S63159605 U JPS63159605 U JP S63159605U

Authority

JP

Japan

Prior art keywords

outer tube

protection tube

tube

fixed

view

Prior art date

1987-03-31

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

• 239000003638 chemical reducing agent Substances 0.000 claims 1
• 238000011144 upstream manufacturing Methods 0.000 claims 1
• 229910001347 Stellite Inorganic materials 0.000 description 1
• AHICWQREWHDHHF-UHFFFAOYSA-N chromium;cobalt;iron;manganese;methane;molybdenum;nickel;silicon;tungsten Chemical compound C.[Si].[Cr].[Mn].[Fe].[Co].[Ni].[Mo].[W] AHICWQREWHDHHF-UHFFFAOYSA-N 0.000 description 1
• 238000002347 injection Methods 0.000 description 1
• 239000007924 injection Substances 0.000 description 1
• 239000007921 spray Substances 0.000 description 1