B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/15
B21D 9/05 (2006.01) B21D 7/022 (2006.01)
Patent
CA 993333
Brooks Robert E. (jr.)
Campbell Wallace C. (jr.)
Clavin Edward A.
Wheeler Lionel H.
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