JPS63173594U - - Google Patents

Info

Publication number
JPS63173594U
JPS63173594U JP6621387U JP6621387U JPS63173594U JP S63173594 U JPS63173594 U JP S63173594U JP 6621387 U JP6621387 U JP 6621387U JP 6621387 U JP6621387 U JP 6621387U JP S63173594 U JPS63173594 U JP S63173594U
Authority
JP
Japan
Prior art keywords
circumferential surface
tube
heat insulating
outer circumferential
uneven stripes
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
JP6621387U
Other languages
English (en)
Japanese (ja)
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 JP6621387U priority Critical patent/JPS63173594U/ja
Publication of JPS63173594U publication Critical patent/JPS63173594U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Thermal Insulation (AREA)
JP6621387U 1987-04-30 1987-04-30 Pending JPS63173594U (el)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6621387U JPS63173594U (el) 1987-04-30 1987-04-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6621387U JPS63173594U (el) 1987-04-30 1987-04-30

Publications (1)

Publication Number Publication Date
JPS63173594U true JPS63173594U (el) 1988-11-10

Family

ID=30904013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6621387U Pending JPS63173594U (el) 1987-04-30 1987-04-30

Country Status (1)

Country Link
JP (1) JPS63173594U (el)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS471322U (el) * 1971-01-06 1972-08-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS471322U (el) * 1971-01-06 1972-08-14

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