B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
93/56
B31B 19/74 (2006.01) B31B 19/26 (2006.01) B31B 37/74 (2006.01)
Patent
CA 943381
Helm Herbert W.
Smithe Eliot S.
Na
Smithe (f. L.) Machine Company
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