JPS63198886U - - Google Patents

Info

Publication number
JPS63198886U
JPS63198886U JP8988187U JP8988187U JPS63198886U JP S63198886 U JPS63198886 U JP S63198886U JP 8988187 U JP8988187 U JP 8988187U JP 8988187 U JP8988187 U JP 8988187U JP S63198886 U JPS63198886 U JP S63198886U
Authority
JP
Japan
Prior art keywords
tube
diameter plastic
hard
passed
utility
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.)
Pending
Application number
JP8988187U
Other languages
English (en)
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 JP8988187U priority Critical patent/JPS63198886U/ja
Publication of JPS63198886U publication Critical patent/JPS63198886U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)

Description

【図面の簡単な説明】
第1図は二重管の断面図、第2図は支持棒を設
けた二重管の断面図、第3図は直結ボイラーの断
面図、第4図は水耕栽培の水漕の断面図である。 1……外管、2……内管、3……支持棒、4…
…浴漕、5……ボイラー、6……定温漕、7……
ポンプ、8……水肥料、9……薄くなつた水肥料
、10……植物。

Claims (1)

    【実用新案登録請求の範囲】
  1. 径の大きい塑性管又は硬管の外管1の中に、径
    の小さな塑性管又は硬管の内管2を通した二重管
JP8988187U 1987-06-11 1987-06-11 Pending JPS63198886U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8988187U JPS63198886U (ja) 1987-06-11 1987-06-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8988187U JPS63198886U (ja) 1987-06-11 1987-06-11

Publications (1)

Publication Number Publication Date
JPS63198886U true JPS63198886U (ja) 1988-12-21

Family

ID=30949266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8988187U Pending JPS63198886U (ja) 1987-06-11 1987-06-11

Country Status (1)

Country Link
JP (1) JPS63198886U (ja)

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