JPS6357892U - - Google Patents

Info

Publication number

JPS6357892U

JPS6357892U JP15151786U JP15151786U JPS6357892U JP S6357892 U JPS6357892 U JP S6357892U JP 15151786 U JP15151786 U JP 15151786U JP 15151786 U JP15151786 U JP 15151786U JP S6357892 U JPS6357892 U JP S6357892U

Authority

JP

Japan

Prior art keywords

convex portion

metal tube

inner metal

diameter

inorganic material

Prior art date

1986-10-03

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

• 239000002184 metal Substances 0.000 claims description 4
• 229910010272 inorganic material Inorganic materials 0.000 claims description 2
• 239000011147 inorganic material Substances 0.000 claims description 2
• 238000010586 diagram Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1