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Edmonton Exchanger and Refinery Services Ltd.
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Edmonton, CA
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Patents Grants
last 30 patents
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Patent Grant
Carriage for supporting a tube bundle on a tube bundle puller
Patent number
4,299,531
Issue date
Nov 10, 1981
Edmonton Exchanger and Refinery Services Ltd.
James B. Seale
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR