O. K. Service IV ship citations in the ship database
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O. K. Service IV:

3 ship citations (0 free) in 3 resources
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O K Service IV (La Have, NS, 1937, Motor; ON: 156700) Subscribe to view
O. K. Service IV (Britain/Canada; Aux Schooner; built or delivered in 1937; 143 gross tons) Subscribe to view
O.K. Service IV (Canadian; Official Number: 156700, built 1937, Shelburne, Nova Scotia, Canada; 143.16 gross tons) Subscribe to view