CA84366A - Appareil de pression pour forets - Google Patents

Appareil de pression pour forets

Info

Publication number
CA84366A
CA84366A CA000084366A CA84366DA CA84366A CA 84366 A CA84366 A CA 84366A CA 000084366 A CA000084366 A CA 000084366A CA 84366D A CA84366D A CA 84366DA CA 84366 A CA84366 A CA 84366A
Authority
CA
Canada
Prior art keywords
drills
pressure apparatus
pressure
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
CA000084366A
Other languages
English (en)
Inventor
Elmer H. Ackerman
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
Application granted granted Critical
Publication of CA84366A publication Critical patent/CA84366A/fr
Expired legal-status Critical Current

Links

CA000084366A 1903-11-25 1903-11-25 Appareil de pression pour forets Expired CA84366A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA84366T 1903-11-25

Publications (1)

Publication Number Publication Date
CA84366A true CA84366A (fr) 1903-12-15

Family

ID=45200902

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000084366A Expired CA84366A (fr) 1903-11-25 1903-11-25 Appareil de pression pour forets

Country Status (1)

Country Link
CA (1) CA84366A (fr)

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