wzg8762 发表于 2020-12-18 08:43:01

ISO 1923-1981 Cellular plastics and rubbers - Determination of linear dimensions

ISO 1923-1981 Cellular plastics and rubbers - Determination of linear dimensions
泡沫塑料和橡胶 线性尺寸的测定

admin 发表于 2020-12-27 20:47:43

谢谢您的分享,金币已奖励!

草地飞龙 发表于 2021-2-20 07:36:52

资料很好，感谢楼主，感谢论坛！！！
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