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- Google Patents
AU452041B2 - Earth boring machine positioning system
- Google Patents
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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Filing date
Publication date
Application filed by Dresser Industries IncfiledCriticalDresser Industries Inc
Application grantedgrantedCritical
Publication of AU452041B2publicationCriticalpatent/AU452041B2/en
Publication of AU1981970ApublicationCriticalpatent/AU1981970A/en