ES181437Y - Barrena integral de perforacion. - Google Patents

Barrena integral de perforacion.

Info

Publication number
ES181437Y
ES181437Y ES1972181437U ES181437U ES181437Y ES 181437 Y ES181437 Y ES 181437Y ES 1972181437 U ES1972181437 U ES 1972181437U ES 181437 U ES181437 U ES 181437U ES 181437 Y ES181437 Y ES 181437Y
Authority
ES
Spain
Prior art keywords
drilling hole
integral drilling
integral
hole
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
ES1972181437U
Other languages
English (en)
Other versions
ES181437U (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.)
HOLMAN IBERICA SA
Original Assignee
HOLMAN IBERICA SA
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 HOLMAN IBERICA SA filed Critical HOLMAN IBERICA SA
Priority to ES1972181437U priority Critical patent/ES181437Y/es
Publication of ES181437U publication Critical patent/ES181437U/es
Application granted granted Critical
Publication of ES181437Y publication Critical patent/ES181437Y/es
Expired legal-status Critical Current

Links

ES1972181437U 1972-06-12 1972-06-12 Barrena integral de perforacion. Expired ES181437Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1972181437U ES181437Y (es) 1972-06-12 1972-06-12 Barrena integral de perforacion.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1972181437U ES181437Y (es) 1972-06-12 1972-06-12 Barrena integral de perforacion.

Publications (2)

Publication Number Publication Date
ES181437U ES181437U (es) 1973-03-16
ES181437Y true ES181437Y (es) 1974-03-01

Family

ID=8354378

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1972181437U Expired ES181437Y (es) 1972-06-12 1972-06-12 Barrena integral de perforacion.

Country Status (1)

Country Link
ES (1) ES181437Y (es)

Also Published As

Publication number Publication date
ES181437U (es) 1973-03-16

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