JPS6125931Y2 - - Google Patents

Info

Publication number
JPS6125931Y2
JPS6125931Y2 JP4541079U JP4541079U JPS6125931Y2 JP S6125931 Y2 JPS6125931 Y2 JP S6125931Y2 JP 4541079 U JP4541079 U JP 4541079U JP 4541079 U JP4541079 U JP 4541079U JP S6125931 Y2 JPS6125931 Y2 JP S6125931Y2
Authority
JP
Japan
Prior art keywords
drill
guide
breakage
piezoelectric element
drills
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.)
Expired
Application number
JP4541079U
Other languages
English (en)
Japanese (ja)
Other versions
JPS55147207U (en, 2012
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 JP4541079U priority Critical patent/JPS6125931Y2/ja
Publication of JPS55147207U publication Critical patent/JPS55147207U/ja
Application granted granted Critical
Publication of JPS6125931Y2 publication Critical patent/JPS6125931Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling And Boring (AREA)
JP4541079U 1979-04-06 1979-04-06 Expired JPS6125931Y2 (en, 2012)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4541079U JPS6125931Y2 (en, 2012) 1979-04-06 1979-04-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4541079U JPS6125931Y2 (en, 2012) 1979-04-06 1979-04-06

Publications (2)

Publication Number Publication Date
JPS55147207U JPS55147207U (en, 2012) 1980-10-23
JPS6125931Y2 true JPS6125931Y2 (en, 2012) 1986-08-05

Family

ID=28923607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4541079U Expired JPS6125931Y2 (en, 2012) 1979-04-06 1979-04-06

Country Status (1)

Country Link
JP (1) JPS6125931Y2 (en, 2012)

Also Published As

Publication number Publication date
JPS55147207U (en, 2012) 1980-10-23

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