摘 要: | 含玻璃70%的补强塑料(Reinfoced plastics-contain upto 70% glass)-materials in DesignEngineering.1959.Jan.p.142.这种塑料的主要用途是作导弹和火箭部件,其牌号是 F92.F120.F121.F130.F141.F148.F160.它们都具有良好的机械性能和高温强度耐热性,抗蚀性。最大的铝制超重机(Lrgest alumiuum Crane)——materials Design Engineering.1959
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