CA690829A - Mud valve - Google Patents

Mud valve

Info

Publication number
CA690829A
CA690829A CA690829A CA690829DA CA690829A CA 690829 A CA690829 A CA 690829A CA 690829 A CA690829 A CA 690829A CA 690829D A CA690829D A CA 690829DA CA 690829 A CA690829 A CA 690829A
Authority
CA
Canada
Prior art keywords
mud valve
mud
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
CA690829A
Inventor
M. C. Seamark Lewis
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
Publication date
Application granted granted Critical
Publication of CA690829A publication Critical patent/CA690829A/en
Expired legal-status Critical Current

Links

CA690829A Mud valve Expired CA690829A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA690829T

Publications (1)

Publication Number Publication Date
CA690829A true CA690829A (en) 1964-07-21

Family

ID=35993448

Family Applications (1)

Application Number Title Priority Date Filing Date
CA690829A Expired CA690829A (en) Mud valve

Country Status (1)

Country Link
CA (1) CA690829A (en)

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