Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
AU140171B2 - Improved anchoring device for coal andother mines - Google Patents
[go: Go Back, main page]

AU140171B2 - Improved anchoring device for coal andother mines - Google Patents

Improved anchoring device for coal andother mines

Info

Publication number
AU140171B2
AU140171B2 AU23981/48A AU2398148A AU140171B2 AU 140171 B2 AU140171 B2 AU 140171B2 AU 23981/48 A AU23981/48 A AU 23981/48A AU 2398148 A AU2398148 A AU 2398148A AU 140171 B2 AU140171 B2 AU 140171B2
Authority
AU
Australia
Prior art keywords
mines
anchoring device
improved anchoring
andother
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
AU23981/48A
Other versions
AU2398148A (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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson Ltd
Filing date
Publication date
Application filed by Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Application granted granted Critical
Publication of AU140171B2 publication Critical patent/AU140171B2/en
Publication of AU2398148A publication Critical patent/AU2398148A/en
Expired legal-status Critical Current

Links

AU23981/48A 1948-10-29 Improved anchoring device for coal andother mines Expired AU140171B2 (en)

Publications (2)

Publication Number Publication Date
AU140171B2 true AU140171B2 (en) 1949-01-13
AU2398148A AU2398148A (en) 1949-01-13

Family

ID=

Similar Documents

Publication Publication Date Title
AU140171B2 (en) Improved anchoring device for coal andother mines
AU2398148A (en) Improved anchoring device for coal andother mines
CA447943A (en) Cable anchoring device
CA449123A (en) Cable anchoring device
CA447567A (en) Mine roof testing
CA451010A (en) Fastening device
CA453732A (en) Fastening device
CA449892A (en) Anchor
CA450369A (en) Cribbing
AU139054B2 (en) Improvements iri mine roof props
CA445961A (en) Coal stoker
CA447729A (en) Gyroscopic device
CA447232A (en) Gyroscopic device
AU138495B2 (en) Improvements in rope haulage apparatus for mines
AU141937B2 (en) Improved mining machine
CA450157A (en) Synchronizing device
CA449068A (en) Synchronizing device
CA452702A (en) Synchronizing device
CA452114A (en) Frictional holding means
CA451525A (en) Retaining device
CA447805A (en) Mine hoist control
AU2200748A (en) Improvements iri mine roof props
AU139501B2 (en) An improved apparatus for crushing limestone andthe like
CA453598A (en) Dual time control device
CA446559A (en) Fastening device