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ES128441A3 - New method of constructing mining galleries, shafts and tunnels with wedge rings and the like. - Google Patents

New method of constructing mining galleries, shafts and tunnels with wedge rings and the like.

Info

Publication number
ES128441A3
ES128441A3 ES128441A ES128441A ES128441A3 ES 128441 A3 ES128441 A3 ES 128441A3 ES 128441 A ES128441 A ES 128441A ES 128441 A ES128441 A ES 128441A ES 128441 A3 ES128441 A3 ES 128441A3
Authority
ES
Spain
Prior art keywords
tunnels
constructing
shafts
new method
wedge rings
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
ES128441A
Other languages
Spanish (es)
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 Individual filed Critical Individual
Priority to ES128441A priority Critical patent/ES128441A3/en
Publication of ES128441A3 publication Critical patent/ES128441A3/en
Expired legal-status Critical Current

Links

ES128441A 1932-11-03 1932-11-03 New method of constructing mining galleries, shafts and tunnels with wedge rings and the like. Expired ES128441A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES128441A ES128441A3 (en) 1932-11-03 1932-11-03 New method of constructing mining galleries, shafts and tunnels with wedge rings and the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES128441A ES128441A3 (en) 1932-11-03 1932-11-03 New method of constructing mining galleries, shafts and tunnels with wedge rings and the like.

Publications (1)

Publication Number Publication Date
ES128441A3 true ES128441A3 (en) 1932-12-01

Family

ID=69417797

Family Applications (1)

Application Number Title Priority Date Filing Date
ES128441A Expired ES128441A3 (en) 1932-11-03 1932-11-03 New method of constructing mining galleries, shafts and tunnels with wedge rings and the like.

Country Status (1)

Country Link
ES (1) ES128441A3 (en)

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