JPS63104784U - - Google Patents

Info

Publication number
JPS63104784U
JPS63104784U JP19975886U JP19975886U JPS63104784U JP S63104784 U JPS63104784 U JP S63104784U JP 19975886 U JP19975886 U JP 19975886U JP 19975886 U JP19975886 U JP 19975886U JP S63104784 U JPS63104784 U JP S63104784U
Authority
JP
Japan
Prior art keywords
spiral
hollow tube
fins
utility
spiral tube
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.)
Granted
Application number
JP19975886U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0334540Y2 (de
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 JP19975886U priority Critical patent/JPH0334540Y2/ja
Publication of JPS63104784U publication Critical patent/JPS63104784U/ja
Application granted granted Critical
Publication of JPH0334540Y2 publication Critical patent/JPH0334540Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)
JP19975886U 1986-12-26 1986-12-26 Expired JPH0334540Y2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19975886U JPH0334540Y2 (de) 1986-12-26 1986-12-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19975886U JPH0334540Y2 (de) 1986-12-26 1986-12-26

Publications (2)

Publication Number Publication Date
JPS63104784U true JPS63104784U (de) 1988-07-07
JPH0334540Y2 JPH0334540Y2 (de) 1991-07-22

Family

ID=31161681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19975886U Expired JPH0334540Y2 (de) 1986-12-26 1986-12-26

Country Status (1)

Country Link
JP (1) JPH0334540Y2 (de)

Also Published As

Publication number Publication date
JPH0334540Y2 (de) 1991-07-22

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