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

Improved method and machine for mining coal

Info

Publication number: AU141399B2
Authority: AU; Australia
Prior art keywords: machine; improved method; mining coal; mining; coal
Prior art date: 1949-04-22
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

Filing date

1949-04-22

Publication date

1949-06-23

1949-04-22 Application filed filed Critical

1949-06-23 Application granted granted Critical

1949-06-23 Publication of AU2717149A publication Critical patent/AU2717149A/en

1949-06-23 Publication of AU141399B2 publication Critical patent/AU141399B2/en

Status Expired legal-status Critical Current

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

Publication	Publication Date	Title
AU141399B2 (en)	1949-06-23	Improved method and machine for mining coal
AU2717149A (en)	1949-06-23	Improved method and machine for mining coal
CA473892A (en)	1951-05-22	Machines for the mining of coal and the like
CA461557A (en)	1949-12-06	Coal mining machine
AU142335B2 (en)	1949-03-17	Improved method of mining 1 coal and coal-mining machine
CA458417A (en)	1949-07-26	Mining apparatus
CA461839A (en)	1949-12-20	Method of mining coal
AU2533949A (en)	1949-03-17	Improved method of mining 1 coal and coal-mining machine
CA460213A (en)	1949-10-11	Mining machine
CA459312A (en)	1949-08-30	Mining machine
CA455031A (en)	1949-03-08	Mining machine
AU141593B2 (en)	1949-08-04	Improvements in haulage apparatus for mining machines
CA460612A (en)	1949-10-25	Apparatus for mining
CA458611A (en)	1949-08-02	Apparatus for mining
CA459704A (en)	1949-09-13	Apparatus for mining
AU2801849A (en)	1949-08-04	Improvements in haulage apparatus for mining machines
AU146955B2 (en)	1949-03-24	Apparatus for continuously digging coal
AU149561B2 (en)	1949-10-13	Apparatus for continuous mining
AU148877B2 (en)	1949-10-27	Apparatus for continuous mining
AU142597B2 (en)	1949-06-30	Improvements in mining machines
AU141566B2 (en)	1949-06-30	Improvements in mining machines
AU151154B2 (en)	1949-04-28	Continuous mining apparatus
AU147948B2 (en)	1949-03-31	Improvements in apparatus and method for mining coal or other minerals fromthe solid
AU2951949A (en)	1949-10-27	Apparatus for continuous mining
AU2918649A (en)	1949-10-13	Apparatus for continuous mining