JPH01153018U - - Google Patents

Info

Publication number
JPH01153018U
JPH01153018U JP4977288U JP4977288U JPH01153018U JP H01153018 U JPH01153018 U JP H01153018U JP 4977288 U JP4977288 U JP 4977288U JP 4977288 U JP4977288 U JP 4977288U JP H01153018 U JPH01153018 U JP H01153018U
Authority
JP
Japan
Prior art keywords
drill
wall surface
drill hole
shape
angle
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
JP4977288U
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 JP4977288U priority Critical patent/JPH01153018U/ja
Publication of JPH01153018U publication Critical patent/JPH01153018U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Rod-Shaped Construction Members (AREA)
  • Extrusion Of Metal (AREA)
JP4977288U 1988-04-13 1988-04-13 Pending JPH01153018U (US20030204162A1-20031030-M00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4977288U JPH01153018U (US20030204162A1-20031030-M00001.png) 1988-04-13 1988-04-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4977288U JPH01153018U (US20030204162A1-20031030-M00001.png) 1988-04-13 1988-04-13

Publications (1)

Publication Number Publication Date
JPH01153018U true JPH01153018U (US20030204162A1-20031030-M00001.png) 1989-10-23

Family

ID=31275856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4977288U Pending JPH01153018U (US20030204162A1-20031030-M00001.png) 1988-04-13 1988-04-13

Country Status (1)

Country Link
JP (1) JPH01153018U (US20030204162A1-20031030-M00001.png)

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