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
AU493446B2 - Mine shield structure - Google Patents
[go: Go Back, main page]

AU493446B2 - Mine shield structure - Google Patents

Mine shield structure

Info

Publication number
AU493446B2
AU493446B2 AU87235/75A AU8723575A AU493446B2 AU 493446 B2 AU493446 B2 AU 493446B2 AU 87235/75 A AU87235/75 A AU 87235/75A AU 8723575 A AU8723575 A AU 8723575A AU 493446 B2 AU493446 B2 AU 493446B2
Authority
AU
Australia
Prior art keywords
shield structure
mine shield
mine
shield
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
AU87235/75A
Other versions
AU8723575A (en
Inventor
Keppers And Ludwig Pawelski Manfred
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.)
Rheinstahl AG
Original Assignee
Rheinstahl AG
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
Priority claimed from DE19752507319 external-priority patent/DE2507319B2/en
Application filed by Rheinstahl AG filed Critical Rheinstahl AG
Application granted granted Critical
Publication of AU8723575A publication Critical patent/AU8723575A/en
Publication of AU493446B2 publication Critical patent/AU493446B2/en
Expired legal-status Critical Current

Links

AU87235/75A 1975-01-11 1975-12-03 Mine shield structure Expired AU493446B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEDE825073 1975-01-11
DE19752507319 DE2507319B2 (en) 1975-01-11 1975-01-11 SHIELD STRUCTURE

Publications (2)

Publication Number Publication Date
AU8723575A AU8723575A (en) 1977-06-09
AU493446B2 true AU493446B2 (en) 1977-06-09

Family

ID=

Similar Documents

Publication Publication Date Title
JPS5246634A (en) Shield excavator
JPS5217558A (en) Polycarbonate compound
AU510014B2 (en) Tunnel drive shield
CA984615A (en) Rock picker
AU1717076A (en) Mine roof support
AU502292B2 (en) Mine prop
JPS5269593A (en) Shield electrode
JPS5290558A (en) Polycarbonate compound
JPS51115202A (en) Shield support
JPS5252447A (en) Excavation shield
JPS5232758A (en) Window shield
AU497824B2 (en) Mine roof support
JPS5217557A (en) Polycarbonate compound
CA1021810A (en) Mining method
AU505679B2 (en) Roof structure
JPS5264138A (en) Shield excavator
CA1034068A (en) Mining installations
AU493446B2 (en) Mine shield structure
CA1031587A (en) Mine roof supports
SU593002A1 (en) Mine partition
JPS51148226A (en) Shield excavator
JPS51130039A (en) Shield excavator
JPS51146735A (en) Shield excavator
JPS5254243A (en) Shield excavator
JPS529939A (en) Shield excavator