h 上游充通大￥ Introduction Shanghai Jiao Tong University the most common standard contract in the world's second-hand ship market several editions(1966,1983,1987,1993,2012) NSF93 refers to the edition revised in 1993 C 0 S C OShanghai Jiao Tong University Introduction the most common standard contract in the world's second-hand ship market several editions(1966,1983,1987,1993,2012) NSF93 refers to the edition revised in 1993