ES1382Y - Barrena de espiral para perforar la hulla. - Google Patents

Barrena de espiral para perforar la hulla.

Info

Publication number
ES1382Y
ES1382Y ES0001382U ES1382U ES1382Y ES 1382 Y ES1382 Y ES 1382Y ES 0001382 U ES0001382 U ES 0001382U ES 1382 U ES1382 U ES 1382U ES 1382 Y ES1382 Y ES 1382Y
Authority
ES
Spain
Prior art keywords
pierce
coal
spiral auger
auger
spiral
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
ES0001382U
Other languages
English (en)
Other versions
ES1382U (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 ES0001382U priority Critical patent/ES1382Y/es
Publication of ES1382U publication Critical patent/ES1382U/es
Application granted granted Critical
Publication of ES1382Y publication Critical patent/ES1382Y/es
Expired legal-status Critical Current

Links

ES0001382U 1933-01-27 1933-01-27 Barrena de espiral para perforar la hulla. Expired ES1382Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0001382U ES1382Y (es) 1933-01-27 1933-01-27 Barrena de espiral para perforar la hulla.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0001382U ES1382Y (es) 1933-01-27 1933-01-27 Barrena de espiral para perforar la hulla.

Publications (2)

Publication Number Publication Date
ES1382U ES1382U (es) 1933-03-01
ES1382Y true ES1382Y (es) 1933-08-16

Family

ID=51066135

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0001382U Expired ES1382Y (es) 1933-01-27 1933-01-27 Barrena de espiral para perforar la hulla.

Country Status (1)

Country Link
ES (1) ES1382Y (es)

Also Published As

Publication number Publication date
ES1382U (es) 1933-03-01

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