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AU153647B2 - Improved excavation method and shaft unit for use therein - Google Patents
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AU153647B2 - Improved excavation method and shaft unit for use therein - Google Patents

Improved excavation method and shaft unit for use therein

Info

Publication number
AU153647B2
AU153647B2 AU7395/52A AU739552A AU153647B2 AU 153647 B2 AU153647 B2 AU 153647B2 AU 7395/52 A AU7395/52 A AU 7395/52A AU 739552 A AU739552 A AU 739552A AU 153647 B2 AU153647 B2 AU 153647B2
Authority
AU
Australia
Prior art keywords
shaft unit
excavation method
improved excavation
improved
shaft
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
AU7395/52A
Other versions
AU739552A (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.)
All Construction Pty Ltd
Original Assignee
All Construction Pty Ltd
Filing date
Publication date
Application filed by All Construction Pty Ltd filed Critical All Construction Pty Ltd
Application granted granted Critical
Publication of AU739552A publication Critical patent/AU739552A/en
Publication of AU153647B2 publication Critical patent/AU153647B2/en
Expired legal-status Critical Current

Links

AU7395/52A 1952-01-14 Improved excavation method and shaft unit for use therein Expired AU153647B2 (en)

Publications (2)

Publication Number Publication Date
AU739552A AU739552A (en) 1952-03-20
AU153647B2 true AU153647B2 (en) 1952-03-20

Family

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