CA527717A - Soupape a manchon pour sable - Google Patents

Soupape a manchon pour sable

Info

Publication number
CA527717A
CA527717A CA527717A CA527717DA CA527717A CA 527717 A CA527717 A CA 527717A CA 527717 A CA527717 A CA 527717A CA 527717D A CA527717D A CA 527717DA CA 527717 A CA527717 A CA 527717A
Authority
CA
Canada
Prior art keywords
sand valve
sleeve sand
sleeve
valve
sand
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
CA527717A
Other languages
English (en)
Inventor
F. Comer John
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 CA527717A publication Critical patent/CA527717A/fr
Expired legal-status Critical Current

Links

CA527717A Soupape a manchon pour sable Expired CA527717A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA527717T

Publications (1)

Publication Number Publication Date
CA527717A true CA527717A (fr) 1956-07-17

Family

ID=35681448

Family Applications (1)

Application Number Title Priority Date Filing Date
CA527717A Expired CA527717A (fr) Soupape a manchon pour sable

Country Status (1)

Country Link
CA (1) CA527717A (fr)

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