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AU155224B2 - Earth strata cutting indicator - Google Patents
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AU155224B2 - Earth strata cutting indicator - Google Patents

Earth strata cutting indicator

Info

Publication number
AU155224B2
AU155224B2 AU11114/52A AU1111452A AU155224B2 AU 155224 B2 AU155224 B2 AU 155224B2 AU 11114/52 A AU11114/52 A AU 11114/52A AU 1111452 A AU1111452 A AU 1111452A AU 155224 B2 AU155224 B2 AU 155224B2
Authority
AU
Australia
Prior art keywords
earth strata
cutting indicator
strata cutting
indicator
earth
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
AU11114/52A
Other versions
AU1111452A (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.)
Union Carbide Corp
Original Assignee
Union Carbide and Carbon Corp
Filing date
Publication date
Application filed by Union Carbide and Carbon Corp filed Critical Union Carbide and Carbon Corp
Application granted granted Critical
Publication of AU155224B2 publication Critical patent/AU155224B2/en
Publication of AU1111452A publication Critical patent/AU1111452A/en
Expired legal-status Critical Current

Links

AU11114/52A 1952-07-04 Earth strata cutting indicator Expired AU155224B2 (en)

Publications (2)

Publication Number Publication Date
AU155224B2 true AU155224B2 (en) 1952-09-11
AU1111452A AU1111452A (en) 1952-09-11

Family

ID=

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