DIN EN 2331:1993-04 航天系列;紡織玻璃纖維預(yù)浸;測(cè)定樹脂和纖維含量以及單位面積纖維質(zhì)量的試驗(yàn)方法
Aerospace series; textile glass fibre preimpregnates; test method for the determination of the resin and fibre content and mass of fibre per unit area; german version EN 2331:1993