JPS61177277U - - Google Patents

Info

Publication number

JPS61177277U

JPS61177277U JP6170185U JP6170185U JPS61177277U JP S61177277 U JPS61177277 U JP S61177277U JP 6170185 U JP6170185 U JP 6170185U JP 6170185 U JP6170185 U JP 6170185U JP S61177277 U JPS61177277 U JP S61177277U

Authority

JP

Japan

Prior art keywords

annular body

attached

corrosion

synthetic resin

registration request

Prior art date

1985-04-24

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

• 229910001296 Malleable iron Inorganic materials 0.000 claims 1
• 230000007797 corrosion Effects 0.000 claims 1
• 238000005260 corrosion Methods 0.000 claims 1
• 229920003002 synthetic resin Polymers 0.000 claims 1
• 239000000057 synthetic resin Substances 0.000 claims 1
• 239000011247 coating layer Substances 0.000 description 1
• 239000011347 resin Substances 0.000 description 1
• 229920005989 resin Polymers 0.000 description 1