CA633921A - Pipeline scrapers - Google Patents

Pipeline scrapers

Info

Publication number
CA633921A
CA633921A CA633921A CA633921DA CA633921A CA 633921 A CA633921 A CA 633921A CA 633921 A CA633921 A CA 633921A CA 633921D A CA633921D A CA 633921DA CA 633921 A CA633921 A CA 633921A
Authority
CA
Canada
Prior art keywords
scrapers
pipeline
pipeline scrapers
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
CA633921A
Inventor
Ver Nooy Burton
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.)
TD Williamson Inc
Original Assignee
TD Williamson Inc
Publication date
Application granted granted Critical
Publication of CA633921A publication Critical patent/CA633921A/en
Expired legal-status Critical Current

Links

CA633921A Pipeline scrapers Expired CA633921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA633921T

Publications (1)

Publication Number Publication Date
CA633921A true CA633921A (en) 1962-01-02

Family

ID=35890088

Family Applications (1)

Application Number Title Priority Date Filing Date
CA633921A Expired CA633921A (en) Pipeline scrapers

Country Status (1)

Country Link
CA (1) CA633921A (en)

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