CA137064A - Soupape de drilles a pierre - Google Patents

Soupape de drilles a pierre

Info

Publication number
CA137064A
CA137064A CA000137064A CA137064DA CA137064A CA 137064 A CA137064 A CA 137064A CA 000137064 A CA000137064 A CA 000137064A CA 137064D A CA137064D A CA 137064DA CA 137064 A CA137064 A CA 137064A
Authority
CA
Canada
Prior art keywords
valve
stone drills
drills
stone
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
CA000137064A
Other languages
English (en)
Inventor
John George Leyner
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 CA137064A publication Critical patent/CA137064A/fr
Expired legal-status Critical Current

Links

CA000137064A 1911-08-30 1911-08-30 Soupape de drilles a pierre Expired CA137064A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA137064T 1911-08-30

Publications (1)

Publication Number Publication Date
CA137064A true CA137064A (fr) 1911-11-28

Family

ID=45256780

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000137064A Expired CA137064A (fr) 1911-08-30 1911-08-30 Soupape de drilles a pierre

Country Status (1)

Country Link
CA (1) CA137064A (fr)

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