AU141399B2 - Improved method and machine for mining coal - Google Patents

Improved method and machine for mining coal

Info

Publication number
AU141399B2
AU141399B2 AU27171/49A AU2717149A AU141399B2 AU 141399 B2 AU141399 B2 AU 141399B2 AU 27171/49 A AU27171/49 A AU 27171/49A AU 2717149 A AU2717149 A AU 2717149A AU 141399 B2 AU141399 B2 AU 141399B2
Authority
AU
Australia
Prior art keywords
machine
improved method
mining coal
mining
coal
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
AU27171/49A
Other versions
AU2717149A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU141399B2 publication Critical patent/AU141399B2/en
Publication of AU2717149A publication Critical patent/AU2717149A/en
Expired legal-status Critical Current

Links

AU27171/49A 1949-04-22 Improved method and machine for mining coal Expired AU141399B2 (en)

Publications (2)

Publication Number Publication Date
AU141399B2 true AU141399B2 (en) 1949-06-23
AU2717149A AU2717149A (en) 1949-06-23

Family

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