两用物项管制结构复合材料的层压板
Laminated board made of structure of composite materials under sensitive item control(various prepreg and pre-formed parts reinforced by fibers and threads, the specific tensile strength of reinforcing materials is greater than 7.62×104m and specific modu
3两用物项和技术出口许可证出口无需检验检疫
3921909010999两用物项管制结构复合材料的层压板(用纤维和丝材增强而制成的各种预浸件和预成形件,其中增强材料的比拉伸强度大于7.62×10^4米和比模量大于3.18×10^6米)复制