B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
341/106, 104/21,
B23K 9/00 (2006.01) E01H 8/10 (2006.01)
Patent
CA 903328
Dobbs David J. M.
Ogilvy Harry H.
Rosser John A.
Tuck Elizabeth M.
LandOfFree
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