JPS5817980Y2 - 細径二重巻鋼管 - Google Patents

細径二重巻鋼管

Info

Publication number
JPS5817980Y2
JPS5817980Y2 JP1978030211U JP3021178U JPS5817980Y2 JP S5817980 Y2 JPS5817980 Y2 JP S5817980Y2 JP 1978030211 U JP1978030211 U JP 1978030211U JP 3021178 U JP3021178 U JP 3021178U JP S5817980 Y2 JPS5817980 Y2 JP S5817980Y2
Authority
JP
Japan
Prior art keywords
steel pipe
double
wound
wound steel
copper
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
JP1978030211U
Other languages
English (en)
Japanese (ja)
Other versions
JPS54133409U (ref
Inventor
臼井正佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Usui Co Ltd
Original Assignee
Usui Co Ltd
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 by Usui Co Ltd filed Critical Usui Co Ltd
Priority to JP1978030211U priority Critical patent/JPS5817980Y2/ja
Publication of JPS54133409U publication Critical patent/JPS54133409U/ja
Application granted granted Critical
Publication of JPS5817980Y2 publication Critical patent/JPS5817980Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Laminated Bodies (AREA)
JP1978030211U 1978-03-09 1978-03-09 細径二重巻鋼管 Expired JPS5817980Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1978030211U JPS5817980Y2 (ja) 1978-03-09 1978-03-09 細径二重巻鋼管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978030211U JPS5817980Y2 (ja) 1978-03-09 1978-03-09 細径二重巻鋼管

Publications (2)

Publication Number Publication Date
JPS54133409U JPS54133409U (ref) 1979-09-17
JPS5817980Y2 true JPS5817980Y2 (ja) 1983-04-12

Family

ID=28879439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978030211U Expired JPS5817980Y2 (ja) 1978-03-09 1978-03-09 細径二重巻鋼管

Country Status (1)

Country Link
JP (1) JPS5817980Y2 (ref)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50830A (ref) * 1973-04-28 1975-01-07
JPS5120061A (ja) * 1974-08-09 1976-02-17 Usui Kokusai Sangyo Kk Taishokuseinijumakikokanto sonoseiho

Also Published As

Publication number Publication date
JPS54133409U (ref) 1979-09-17

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