AU1600947A - Improvements in rock drill bits andin the method oftheir manufacture - Google Patents

Improvements in rock drill bits andin the method oftheir manufacture

Info

Publication number
AU1600947A
AU1600947A AU16009/47A AU1600947A AU1600947A AU 1600947 A AU1600947 A AU 1600947A AU 16009/47 A AU16009/47 A AU 16009/47A AU 1600947 A AU1600947 A AU 1600947A AU 1600947 A AU1600947 A AU 1600947A
Authority
AU
Australia
Prior art keywords
oftheir
andin
manufacture
drill bits
rock 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.)
Expired
Application number
AU16009/47A
Other versions
AU139798B2 (en
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU1600947A publication Critical patent/AU1600947A/en
Publication of AU139798B2 publication Critical patent/AU139798B2/en
Expired legal-status Critical Current

Links

AU16009/47A 1947-10-28 Improvements in rock drill bits andin the method oftheir manufacture Expired AU139798B2 (en)

Publications (2)

Publication Number Publication Date
AU1600947A true AU1600947A (en) 1948-01-15
AU139798B2 AU139798B2 (en) 1948-01-15

Family

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