JPH0434195Y2 - - Google Patents

Info

Publication number
JPH0434195Y2
JPH0434195Y2 JP1986178683U JP17868386U JPH0434195Y2 JP H0434195 Y2 JPH0434195 Y2 JP H0434195Y2 JP 1986178683 U JP1986178683 U JP 1986178683U JP 17868386 U JP17868386 U JP 17868386U JP H0434195 Y2 JPH0434195 Y2 JP H0434195Y2
Authority
JP
Japan
Prior art keywords
pipe
thin
annular portion
underdrain
thickness
Prior art date
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.)
Expired
Application number
JP1986178683U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6386135U (pm
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986178683U priority Critical patent/JPH0434195Y2/ja
Publication of JPS6386135U publication Critical patent/JPS6386135U/ja
Application granted granted Critical
Publication of JPH0434195Y2 publication Critical patent/JPH0434195Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)
JP1986178683U 1986-11-20 1986-11-20 Expired JPH0434195Y2 (pm)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986178683U JPH0434195Y2 (pm) 1986-11-20 1986-11-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986178683U JPH0434195Y2 (pm) 1986-11-20 1986-11-20

Publications (2)

Publication Number Publication Date
JPS6386135U JPS6386135U (pm) 1988-06-06
JPH0434195Y2 true JPH0434195Y2 (pm) 1992-08-14

Family

ID=31121047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986178683U Expired JPH0434195Y2 (pm) 1986-11-20 1986-11-20

Country Status (1)

Country Link
JP (1) JPH0434195Y2 (pm)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5336692A (en) * 1976-09-17 1978-04-05 Matsushita Electric Ind Co Ltd Manufacturing method of ferrite core

Also Published As

Publication number Publication date
JPS6386135U (pm) 1988-06-06

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