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ES66507A1 - Mejoras en las barrenas perforadoras. - Google Patents

Mejoras en las barrenas perforadoras.

Info

Publication number
ES66507A1
ES66507A1 ES66507A ES66507A ES66507A1 ES 66507 A1 ES66507 A1 ES 66507A1 ES 66507 A ES66507 A ES 66507A ES 66507 A ES66507 A ES 66507A ES 66507 A1 ES66507 A1 ES 66507A1
Authority
ES
Spain
Prior art keywords
drilling bit
drilling
bit
bit improvements
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
ES66507A
Other languages
English (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.)
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 ES66507A priority Critical patent/ES66507A1/es
Publication of ES66507A1 publication Critical patent/ES66507A1/es
Expired legal-status Critical Current

Links

ES66507A 1918-03-05 1918-03-05 Mejoras en las barrenas perforadoras. Expired ES66507A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES66507A ES66507A1 (es) 1918-03-05 1918-03-05 Mejoras en las barrenas perforadoras.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES66507A ES66507A1 (es) 1918-03-05 1918-03-05 Mejoras en las barrenas perforadoras.

Publications (1)

Publication Number Publication Date
ES66507A1 true ES66507A1 (es) 1918-04-01

Family

ID=64238098

Family Applications (1)

Application Number Title Priority Date Filing Date
ES66507A Expired ES66507A1 (es) 1918-03-05 1918-03-05 Mejoras en las barrenas perforadoras.

Country Status (1)

Country Link
ES (1) ES66507A1 (es)

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