BS ISO 8521. Plastics piping systems. Glass-reinforced thermosetting plastics (GRP) pipes. Test methods for the determination of the apparent initial circumferential tensile strength
BS ISO 8521 塑料管道系统 玻璃纤维增强热固性塑料(GRP)管 测定表观初始周向抗拉强度的试验方法
发布日期:
2007-08-31
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