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BR8803277A - LOCK DEVICE FOR DRILL-DRILL COLUMN - Google Patents

LOCK DEVICE FOR DRILL-DRILL COLUMN

Info

Publication number
BR8803277A
BR8803277A BR8803277A BR8803277A BR8803277A BR 8803277 A BR8803277 A BR 8803277A BR 8803277 A BR8803277 A BR 8803277A BR 8803277 A BR8803277 A BR 8803277A BR 8803277 A BR8803277 A BR 8803277A
Authority
BR
Brazil
Prior art keywords
drill
lock device
column
drill column
lock
Prior art date
Application number
BR8803277A
Other languages
Portuguese (pt)
Inventor
Jose Geraldo Vieira Cardoso
Original Assignee
Cardoso Ind E Comercio De Maqu
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 Cardoso Ind E Comercio De Maqu filed Critical Cardoso Ind E Comercio De Maqu
Priority to BR8803277A priority Critical patent/BR8803277A/en
Publication of BR8803277A publication Critical patent/BR8803277A/en

Links

BR8803277A 1988-07-01 1988-07-01 LOCK DEVICE FOR DRILL-DRILL COLUMN BR8803277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR8803277A BR8803277A (en) 1988-07-01 1988-07-01 LOCK DEVICE FOR DRILL-DRILL COLUMN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8803277A BR8803277A (en) 1988-07-01 1988-07-01 LOCK DEVICE FOR DRILL-DRILL COLUMN

Publications (1)

Publication Number Publication Date
BR8803277A true BR8803277A (en) 1990-02-13

Family

ID=4045075

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8803277A BR8803277A (en) 1988-07-01 1988-07-01 LOCK DEVICE FOR DRILL-DRILL COLUMN

Country Status (1)

Country Link
BR (1) BR8803277A (en)

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