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BS MA 31 1973 Edition, 1973
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Specification for Ships’ deck machinery cargo winches
Includes all amendments and changes through Reaffirmation Notice , February 2006
Additional Comments: W/D NO S/S
Page Count:14
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Specifies requirements for design, construction, safety, performance, acceptance testing, and marking of ships' electric and hydraulic winches, without detailing the requirements for the prime mover used to operate the winch.