JPS539442B2 - - Google Patents

Info

Publication number
JPS539442B2
JPS539442B2 JP7508675A JP7508675A JPS539442B2 JP S539442 B2 JPS539442 B2 JP S539442B2 JP 7508675 A JP7508675 A JP 7508675A JP 7508675 A JP7508675 A JP 7508675A JP S539442 B2 JPS539442 B2 JP S539442B2
Authority
JP
Japan
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
JP7508675A
Other languages
Japanese (ja)
Other versions
JPS51150804A (en
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 JP7508675A priority Critical patent/JPS51150804A/en
Publication of JPS51150804A publication Critical patent/JPS51150804A/en
Publication of JPS539442B2 publication Critical patent/JPS539442B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP7508675A 1975-06-20 1975-06-20 Device for enlarging hole Granted JPS51150804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7508675A JPS51150804A (en) 1975-06-20 1975-06-20 Device for enlarging hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7508675A JPS51150804A (en) 1975-06-20 1975-06-20 Device for enlarging hole

Publications (2)

Publication Number Publication Date
JPS51150804A JPS51150804A (en) 1976-12-24
JPS539442B2 true JPS539442B2 (en) 1978-04-06

Family

ID=13566002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7508675A Granted JPS51150804A (en) 1975-06-20 1975-06-20 Device for enlarging hole

Country Status (1)

Country Link
JP (1) JPS51150804A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820942Y2 (en) * 1978-03-30 1983-05-02 株式会社高見沢サイバネティックス Load device for power supply testing
JPH0216292Y2 (en) * 1979-05-21 1990-05-02

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6059073B2 (en) * 2013-04-26 2017-01-11 Ｆｓテクニカル株式会社 Drill bit for diameter expansion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820942Y2 (en) * 1978-03-30 1983-05-02 株式会社高見沢サイバネティックス Load device for power supply testing
JPH0216292Y2 (en) * 1979-05-21 1990-05-02

Also Published As

Publication number Publication date
JPS51150804A (en) 1976-12-24

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