AU562412B - Improvements in and relating to method of and machine for forming tunnels
- Google Patents
Improvements in and relating to method of and machine for forming tunnels
Info
Publication number
AU562412B
AU562412BAU5624/12AAU562412AAU562412BAU 562412 BAU562412 BAU 562412BAU 5624/12 AAU5624/12 AAU 5624/12AAU 562412 AAU562412 AAU 562412AAU 562412 BAU562412 BAU 562412B
Authority
AU
Australia
Prior art keywords
relating
machine
forming tunnels
tunnels
forming
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.)
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.)
Individual
Original Assignee
Individual
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
Application filed by IndividualfiledCriticalIndividual
Priority to AU5624/12ApriorityCriticalpatent/AU562412A/en
Priority claimed from AU5624/12Aexternal-prioritypatent/AU562412A/en
Publication of AU562412BpublicationCriticalpatent/AU562412B/en
Publication of AU562412ApublicationCriticalpatent/AU562412A/en