ZA714269B - Improvements relating to rock drills - Google Patents

Improvements relating to rock drills

Info

Publication number
ZA714269B
ZA714269B ZA714269A ZA714269A ZA714269B ZA 714269 B ZA714269 B ZA 714269B ZA 714269 A ZA714269 A ZA 714269A ZA 714269 A ZA714269 A ZA 714269A ZA 714269 B ZA714269 B ZA 714269B
Authority
ZA
South Africa
Prior art keywords
improvements relating
rock drills
drills
rock
relating
Prior art date
Application number
ZA714269A
Inventor
W Mayall
Original Assignee
W Mayall
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
Priority claimed from GB1244671A external-priority patent/GB1358162A/en
Application filed by W Mayall filed Critical W Mayall
Publication of ZA714269B publication Critical patent/ZA714269B/en

Links

ZA714269A 1970-06-30 1971-06-29 Improvements relating to rock drills ZA714269B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1244671A GB1358162A (en) 1970-06-30 1970-06-30 Hydraulic motors for rock drills

Publications (1)

Publication Number Publication Date
ZA714269B true ZA714269B (en) 1973-02-28

Family

ID=10327851

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA714269A ZA714269B (en) 1970-06-30 1971-06-29 Improvements relating to rock drills

Country Status (2)

Country Link
AT (1) AT315781B (en)
ZA (1) ZA714269B (en)

Also Published As

Publication number Publication date
AT315781B (en) 1974-06-10

Similar Documents

Publication Publication Date Title
ZA707142B (en) Retractable drill bits
ZM11472A1 (en) High torque boring machine
ZA712380B (en) Hammer drill
ZA71767B (en) Drill boom
ZM771A1 (en) Earth boring machine
ZA722924B (en) Rock drill
ZM13571A1 (en) Earth drilling machine
CH517245A (en) Rock drill
ZA702286B (en) Rock drill
ZA714955B (en) Rock drill
ZA721312B (en) Rock drill
ZA707462B (en) Rock drill
CA950266A (en) Rock drills
CH517244A (en) Rock drill
ZA732944B (en) Improvements relating to rock drills
GB1388182A (en) Rock boring
ZA714269B (en) Improvements relating to rock drills
ZA711204B (en) Improvements relating to substituted aminoethanols
ZA705311B (en) Improvements in rock boring machinery
ZA71937B (en) Rock drill
ZA705310B (en) Improvements in rock boring machinery
AU460156B2 (en) Rock drill
CA831764A (en) Rock drill
ZA716895B (en) Improvements relating to basically substituted thiolcarbamidic acid-alkylesters
CA840749A (en) Rock drills