JPH02124217U - - Google Patents

Info

Publication number

JPH02124217U

JPH02124217U JP3272189U JP3272189U JPH02124217U JP H02124217 U JPH02124217 U JP H02124217U JP 3272189 U JP3272189 U JP 3272189U JP 3272189 U JP3272189 U JP 3272189U JP H02124217 U JPH02124217 U JP H02124217U

Authority

JP

Japan

Prior art keywords

communicating pipe

protrude

registration request

utility

cast iron

Prior art date

1989-03-23

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

• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
• 229910002804 graphite Inorganic materials 0.000 claims description 2
• 239000010439 graphite Substances 0.000 claims description 2
• 229910001562 pearlite Inorganic materials 0.000 claims description 2
• 229910001018 Cast iron Inorganic materials 0.000 claims 1