CA68506A - Soupape pour percois a rocher - Google Patents

Soupape pour percois a rocher

Info

Publication number
CA68506A
CA68506A CA000068506A CA68506DA CA68506A CA 68506 A CA68506 A CA 68506A CA 000068506 A CA000068506 A CA 000068506A CA 68506D A CA68506D A CA 68506DA CA 68506 A CA68506 A CA 68506A
Authority
CA
Canada
Prior art keywords
drills
rock
balance valve
balance
valve
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
CA000068506A
Other languages
English (en)
Inventor
Harry S. Burrell
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 CA68506A publication Critical patent/CA68506A/fr
Expired legal-status Critical Current

Links

CA000068506A 1900-08-04 1900-08-04 Soupape pour percois a rocher Expired CA68506A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA68506T 1900-08-04

Publications (1)

Publication Number Publication Date
CA68506A true CA68506A (fr) 1900-08-22

Family

ID=45185044

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000068506A Expired CA68506A (fr) 1900-08-04 1900-08-04 Soupape pour percois a rocher

Country Status (1)

Country Link
CA (1) CA68506A (fr)

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