CA540440A - Pompe a vis - Google Patents

Pompe a vis

Info

Publication number
CA540440A
CA540440A CA540440A CA540440DA CA540440A CA 540440 A CA540440 A CA 540440A CA 540440 A CA540440 A CA 540440A CA 540440D A CA540440D A CA 540440DA CA 540440 A CA540440 A CA 540440A
Authority
CA
Canada
Prior art keywords
screw type
type pump
pump
screw
type
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
CA540440A
Other languages
English (en)
Inventor
H. Springer Frederick
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 CA540440A publication Critical patent/CA540440A/fr
Expired legal-status Critical Current

Links

CA540440A Pompe a vis Expired CA540440A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA540440T

Publications (1)

Publication Number Publication Date
CA540440A true CA540440A (fr) 1957-05-07

Family

ID=35697579

Family Applications (1)

Application Number Title Priority Date Filing Date
CA540440A Expired CA540440A (fr) Pompe a vis

Country Status (1)

Country Link
CA (1) CA540440A (fr)

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