CA550030A - Crible echelonne a degre variable - Google Patents

Crible echelonne a degre variable

Info

Publication number
CA550030A
CA550030A CA550030A CA550030DA CA550030A CA 550030 A CA550030 A CA 550030A CA 550030 A CA550030 A CA 550030A CA 550030D A CA550030D A CA 550030DA CA 550030 A CA550030 A CA 550030A
Authority
CA
Canada
Prior art keywords
variable pitch
stepped screen
pitch stepped
screen
variable
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
CA550030A
Other languages
English (en)
Inventor
A. Cheyette David
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.)
Nordberg Manufacturing Co
Original Assignee
Nordberg Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA550030A publication Critical patent/CA550030A/fr
Expired legal-status Critical Current

Links

CA550030A Crible echelonne a degre variable Expired CA550030A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA550030T

Publications (1)

Publication Number Publication Date
CA550030A true CA550030A (fr) 1957-12-10

Family

ID=35711414

Family Applications (1)

Application Number Title Priority Date Filing Date
CA550030A Expired CA550030A (fr) Crible echelonne a degre variable

Country Status (1)

Country Link
CA (1) CA550030A (fr)

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