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ES64633A1 - A perfected procedure for drilling and tunnel construction. - Google Patents

A perfected procedure for drilling and tunnel construction.

Info

Publication number
ES64633A1
ES64633A1 ES64633A ES64633A ES64633A1 ES 64633 A1 ES64633 A1 ES 64633A1 ES 64633 A ES64633 A ES 64633A ES 64633 A ES64633 A ES 64633A ES 64633 A1 ES64633 A1 ES 64633A1
Authority
ES
Spain
Prior art keywords
drilling
tunnel construction
perfected procedure
perfected
procedure
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
ES64633A
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.)
Mac Alpine Thomas Malcolm
Original Assignee
Mac Alpine Thomas Malcolm
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 Mac Alpine Thomas Malcolm filed Critical Mac Alpine Thomas Malcolm
Priority to ES64633A priority Critical patent/ES64633A1/en
Publication of ES64633A1 publication Critical patent/ES64633A1/en
Expired legal-status Critical Current

Links

ES64633A 1917-05-29 1917-05-29 A perfected procedure for drilling and tunnel construction. Expired ES64633A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES64633A ES64633A1 (en) 1917-05-29 1917-05-29 A perfected procedure for drilling and tunnel construction.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES64633A ES64633A1 (en) 1917-05-29 1917-05-29 A perfected procedure for drilling and tunnel construction.

Publications (1)

Publication Number Publication Date
ES64633A1 true ES64633A1 (en) 1917-07-01

Family

ID=64235504

Family Applications (1)

Application Number Title Priority Date Filing Date
ES64633A Expired ES64633A1 (en) 1917-05-29 1917-05-29 A perfected procedure for drilling and tunnel construction.

Country Status (1)

Country Link
ES (1) ES64633A1 (en)

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