ES212647Y - Tubo de perforacion perfeccionado para canteras y minas. - Google Patents

Tubo de perforacion perfeccionado para canteras y minas.

Info

Publication number
ES212647Y
ES212647Y ES1975212647U ES212647U ES212647Y ES 212647 Y ES212647 Y ES 212647Y ES 1975212647 U ES1975212647 U ES 1975212647U ES 212647 U ES212647 U ES 212647U ES 212647 Y ES212647 Y ES 212647Y
Authority
ES
Spain
Prior art keywords
quarries
perfected
mines
drilling tube
drilling
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
ES1975212647U
Other languages
English (en)
Other versions
ES212647U (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.)
MELGAR DE LERA
SAN MARTIN ECHEANDIA
Original Assignee
MELGAR DE LERA
SAN MARTIN ECHEANDIA
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 MELGAR DE LERA, SAN MARTIN ECHEANDIA filed Critical MELGAR DE LERA
Priority to ES1975212647U priority Critical patent/ES212647Y/es
Publication of ES212647U publication Critical patent/ES212647U/es
Application granted granted Critical
Publication of ES212647Y publication Critical patent/ES212647Y/es
Expired legal-status Critical Current

Links

ES1975212647U 1975-05-26 1975-05-26 Tubo de perforacion perfeccionado para canteras y minas. Expired ES212647Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1975212647U ES212647Y (es) 1975-05-26 1975-05-26 Tubo de perforacion perfeccionado para canteras y minas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1975212647U ES212647Y (es) 1975-05-26 1975-05-26 Tubo de perforacion perfeccionado para canteras y minas.

Publications (2)

Publication Number Publication Date
ES212647U ES212647U (es) 1976-06-01
ES212647Y true ES212647Y (es) 1976-11-01

Family

ID=8377353

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1975212647U Expired ES212647Y (es) 1975-05-26 1975-05-26 Tubo de perforacion perfeccionado para canteras y minas.

Country Status (1)

Country Link
ES (1) ES212647Y (es)

Also Published As

Publication number Publication date
ES212647U (es) 1976-06-01

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