JPH03109713U - - Google Patents

Info

Publication number
JPH03109713U
JPH03109713U JP1972890U JP1972890U JPH03109713U JP H03109713 U JPH03109713 U JP H03109713U JP 1972890 U JP1972890 U JP 1972890U JP 1972890 U JP1972890 U JP 1972890U JP H03109713 U JPH03109713 U JP H03109713U
Authority
JP
Japan
Prior art keywords
oil hole
drill
shank portion
filter
tool body
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
JP1972890U
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 JP1972890U priority Critical patent/JPH03109713U/ja
Publication of JPH03109713U publication Critical patent/JPH03109713U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP1972890U 1990-02-28 1990-02-28 Pending JPH03109713U (US06623731-20030923-C00012.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1972890U JPH03109713U (US06623731-20030923-C00012.png) 1990-02-28 1990-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972890U JPH03109713U (US06623731-20030923-C00012.png) 1990-02-28 1990-02-28

Publications (1)

Publication Number Publication Date
JPH03109713U true JPH03109713U (US06623731-20030923-C00012.png) 1991-11-11

Family

ID=31522832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1972890U Pending JPH03109713U (US06623731-20030923-C00012.png) 1990-02-28 1990-02-28

Country Status (1)

Country Link
JP (1) JPH03109713U (US06623731-20030923-C00012.png)

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