AU236905B2 - Mining shield - Google Patents

Mining shield

Info

Publication number
AU236905B2
AU236905B2 AU56772/60A AU5677260A AU236905B2 AU 236905 B2 AU236905 B2 AU 236905B2 AU 56772/60 A AU56772/60 A AU 56772/60A AU 5677260 A AU5677260 A AU 5677260A AU 236905 B2 AU236905 B2 AU 236905B2
Authority
AU
Australia
Prior art keywords
mining shield
mining
shield
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
AU56772/60A
Other versions
AU5677260A (en
Inventor
Dewey Joseph Roy
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU5677260A publication Critical patent/AU5677260A/en
Publication of AU236905B2 publication Critical patent/AU236905B2/en
Expired legal-status Critical Current

Links

AU56772/60A 1960-01-22 Mining shield Expired AU236905B2 (en)

Publications (2)

Publication Number Publication Date
AU5677260A AU5677260A (en) 1960-07-28
AU236905B2 true AU236905B2 (en) 1960-07-28

Family

ID=

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