3 The Types and the Quality Requirements of Leathers
工業(yè)科技

        The following list gives brief descriptions of the different types of leathers and indicates their typical properties and uses.3.1 Side LeatherCattlehide grain leather which,prior to processing,has been cut in half forming two“sides”.Purpose is to reduce ......（本文共 11139 字）     [閱讀本文] >>