JPS539204A - Rock drill rod - Google Patents

Rock drill rod

Info

Publication number
JPS539204A
JPS539204A JP8313676A JP8313676A JPS539204A JP S539204 A JPS539204 A JP S539204A JP 8313676 A JP8313676 A JP 8313676A JP 8313676 A JP8313676 A JP 8313676A JP S539204 A JPS539204 A JP S539204A
Authority
JP
Japan
Prior art keywords
drill rod
rock drill
rock
rod
drill
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.)
Granted
Application number
JP8313676A
Other languages
English (en)
Japanese (ja)
Other versions
JPS557910B2 (cs
Inventor
Yoshiichi Mikami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Kogyo Co Ltd
Original Assignee
Furukawa Kogyo Co Ltd
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 by Furukawa Kogyo Co Ltd filed Critical Furukawa Kogyo Co Ltd
Priority to JP8313676A priority Critical patent/JPS539204A/ja
Publication of JPS539204A publication Critical patent/JPS539204A/ja
Publication of JPS557910B2 publication Critical patent/JPS557910B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP8313676A 1976-07-13 1976-07-13 Rock drill rod Granted JPS539204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8313676A JPS539204A (en) 1976-07-13 1976-07-13 Rock drill rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8313676A JPS539204A (en) 1976-07-13 1976-07-13 Rock drill rod

Publications (2)

Publication Number Publication Date
JPS539204A true JPS539204A (en) 1978-01-27
JPS557910B2 JPS557910B2 (cs) 1980-02-29

Family

ID=13793777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8313676A Granted JPS539204A (en) 1976-07-13 1976-07-13 Rock drill rod

Country Status (1)

Country Link
JP (1) JPS539204A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8242312B2 (en) 2010-11-12 2012-08-14 E. I. Du Pont De Nemours And Company Urethane and urea fluorosurfactants

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8242312B2 (en) 2010-11-12 2012-08-14 E. I. Du Pont De Nemours And Company Urethane and urea fluorosurfactants

Also Published As

Publication number Publication date
JPS557910B2 (cs) 1980-02-29

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