MIL-HDBK-304C, DEPARTMENT OF DEFENSE HANDBOOK PACKAGE CUSHIONING DESIGN (1 JUN 1997).This handbook is for guidance only. This handbook cannot be cited as a requirement. If it is, the contractor does not have to comply. The information in this handbook applies chiefly to conventional cushioning materials. These materials include polyurethane foam, foamed polystyrene, and foamed polyethylene. 作者: wzg_1969 时间: 2015-9-28 16:28:12