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CB/T 3887-1999 Small boat inboard propeller shaft ends and propeller hubs CB/T3887-1999 Standard download decompression password:
CB/T 3886-2002 Rating of the main performance levels of ocean transport vessels CB/T3886-2002 standard download decompression pass
CB/T 3871-1999 General Technical Specifications for Marine Indicators CB/T3871-1999 Standard download decompression password: www.
CB/T 3861-1999 Marine Fairlead Roller CB/T3861-1999 Standard download decompression password: www.bzxz.net
CB/T 3858-1999 Performance parameters of anchor windlasses and anchor capstans CB/T3858-1999 Standard download decompression passw