JPH0450494U - - Google Patents

Info

Publication number
JPH0450494U
JPH0450494U JP8991090U JP8991090U JPH0450494U JP H0450494 U JPH0450494 U JP H0450494U JP 8991090 U JP8991090 U JP 8991090U JP 8991090 U JP8991090 U JP 8991090U JP H0450494 U JPH0450494 U JP H0450494U
Authority
JP
Japan
Prior art keywords
rod
drilled hole
diameter
fluid passage
pipe
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
JP8991090U
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 JP8991090U priority Critical patent/JPH0450494U/ja
Publication of JPH0450494U publication Critical patent/JPH0450494U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP8991090U 1990-08-27 1990-08-27 Pending JPH0450494U (US06826419-20041130-M00005.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8991090U JPH0450494U (US06826419-20041130-M00005.png) 1990-08-27 1990-08-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8991090U JPH0450494U (US06826419-20041130-M00005.png) 1990-08-27 1990-08-27

Publications (1)

Publication Number Publication Date
JPH0450494U true JPH0450494U (US06826419-20041130-M00005.png) 1992-04-28

Family

ID=31824231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8991090U Pending JPH0450494U (US06826419-20041130-M00005.png) 1990-08-27 1990-08-27

Country Status (1)

Country Link
JP (1) JPH0450494U (US06826419-20041130-M00005.png)

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