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ES186479A1 - Una barrena giratoria a percusión - Google Patents

Una barrena giratoria a percusión

Info

Publication number
ES186479A1
ES186479A1 ES186479A ES186479A ES186479A1 ES 186479 A1 ES186479 A1 ES 186479A1 ES 186479 A ES186479 A ES 186479A ES 186479 A ES186479 A ES 186479A ES 186479 A1 ES186479 A1 ES 186479A1
Authority
ES
Spain
Prior art keywords
barrena
percussion
rotating
rotating barrena
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
ES186479A
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.)
TINKEN ROLLER BEARING Co
Original Assignee
TINKEN ROLLER BEARING Co
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 TINKEN ROLLER BEARING Co filed Critical TINKEN ROLLER BEARING Co
Priority to ES186479A priority Critical patent/ES186479A1/es
Publication of ES186479A1 publication Critical patent/ES186479A1/es
Expired legal-status Critical Current

Links

ES186479A 1948-12-30 1948-12-30 Una barrena giratoria a percusión Expired ES186479A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES186479A ES186479A1 (es) 1948-12-30 1948-12-30 Una barrena giratoria a percusión

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES186479A ES186479A1 (es) 1948-12-30 1948-12-30 Una barrena giratoria a percusión

Publications (1)

Publication Number Publication Date
ES186479A1 true ES186479A1 (es) 1949-04-16

Family

ID=66642343

Family Applications (1)

Application Number Title Priority Date Filing Date
ES186479A Expired ES186479A1 (es) 1948-12-30 1948-12-30 Una barrena giratoria a percusión

Country Status (1)

Country Link
ES (1) ES186479A1 (es)

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