GB189401913A - Improvements in Coal and Rock Drills. - Google Patents

Improvements in Coal and Rock Drills.

Info

Publication number
GB189401913A
GB189401913A GB189401913DA GB189401913A GB 189401913 A GB189401913 A GB 189401913A GB 189401913D A GB189401913D A GB 189401913DA GB 189401913 A GB189401913 A GB 189401913A
Authority
GB
United Kingdom
Prior art keywords
coal
rock drills
drills
rock
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
Inventor
Oliver Imray
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB189401913A publication Critical patent/GB189401913A/en
Expired legal-status Critical Current

Links

GB189401913D 1894-01-29 1894-01-29 Improvements in Coal and Rock Drills. Expired GB189401913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189401913T 1894-01-29

Publications (1)

Publication Number Publication Date
GB189401913A true GB189401913A (en) 1894-11-03

Family

ID=32122348

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189401913D Expired GB189401913A (en) 1894-01-29 1894-01-29 Improvements in Coal and Rock Drills.

Country Status (1)

Country Link
GB (1) GB189401913A (en)

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