JPH0410969Y2 - - Google Patents

Info

Publication number
JPH0410969Y2
JPH0410969Y2 JP1985147022U JP14702285U JPH0410969Y2 JP H0410969 Y2 JPH0410969 Y2 JP H0410969Y2 JP 1985147022 U JP1985147022 U JP 1985147022U JP 14702285 U JP14702285 U JP 14702285U JP H0410969 Y2 JPH0410969 Y2 JP H0410969Y2
Authority
JP
Japan
Prior art keywords
drill
rotary
air pressure
hole
groove
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
JP1985147022U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6258107U (enEXAMPLES
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 JP1985147022U priority Critical patent/JPH0410969Y2/ja
Publication of JPS6258107U publication Critical patent/JPS6258107U/ja
Application granted granted Critical
Publication of JPH0410969Y2 publication Critical patent/JPH0410969Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling And Boring (AREA)
JP1985147022U 1985-09-27 1985-09-27 Expired JPH0410969Y2 (enEXAMPLES)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985147022U JPH0410969Y2 (enEXAMPLES) 1985-09-27 1985-09-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985147022U JPH0410969Y2 (enEXAMPLES) 1985-09-27 1985-09-27

Publications (2)

Publication Number Publication Date
JPS6258107U JPS6258107U (enEXAMPLES) 1987-04-10
JPH0410969Y2 true JPH0410969Y2 (enEXAMPLES) 1992-03-18

Family

ID=31060008

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985147022U Expired JPH0410969Y2 (enEXAMPLES) 1985-09-27 1985-09-27

Country Status (1)

Country Link
JP (1) JPH0410969Y2 (enEXAMPLES)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2283517A1 (fr) * 1974-08-30 1976-03-26 Commissariat Energie Atomique Dispositif de protection thermique de la cuve d'un reacteur nucleaire a neutrons rapides
JPS57166643U (enEXAMPLES) * 1981-04-08 1982-10-20

Also Published As

Publication number Publication date
JPS6258107U (enEXAMPLES) 1987-04-10

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