A track-mounted elevator top and side bolts and cables drilling machine

Details for Australian Patent Application No. 2008307023 (hide)

Owner Yan, Z.

Inventors Yan, Zhendong

Agent Sandercock & Cowie

Pub. Number AU-A-2008307023

PCT Pub. Number WO2009/043234

Priority 200720102731.2 01.10.07 CN

Filing date 27 September 2008

Wipo publication date 9 April 2009

International Classifications

E21C 25/00 (2006.01) Cutting

E21C 25/66 (2006.01) Cutting

E21C 25/68 (2006.01) Cutting

E21D 20/00 (2006.01) Setting anchoring-bolts

Event Publications

15 October 2009 PCT application entered the National Phase

  PCT publication WO2009/043234 Priority application(s): WO2009/043234

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