JPH025491U - - Google Patents

Info

Publication number
JPH025491U
JPH025491U JP8203788U JP8203788U JPH025491U JP H025491 U JPH025491 U JP H025491U JP 8203788 U JP8203788 U JP 8203788U JP 8203788 U JP8203788 U JP 8203788U JP H025491 U JPH025491 U JP H025491U
Authority
JP
Japan
Prior art keywords
metal tube
tube members
tapered
members
joint part
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
JP8203788U
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 JP8203788U priority Critical patent/JPH025491U/ja
Publication of JPH025491U publication Critical patent/JPH025491U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP8203788U 1988-06-20 1988-06-20 Pending JPH025491U (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8203788U JPH025491U (sv) 1988-06-20 1988-06-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8203788U JPH025491U (sv) 1988-06-20 1988-06-20

Publications (1)

Publication Number Publication Date
JPH025491U true JPH025491U (sv) 1990-01-16

Family

ID=31306805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8203788U Pending JPH025491U (sv) 1988-06-20 1988-06-20

Country Status (1)

Country Link
JP (1) JPH025491U (sv)

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