paperback. Zustand: New. Pub Date: 2014-08-01 Pages: 5 Language: Chinese Publisher: China Quality Press polymer matrix composite laminates hole opening part load performance test methods 3 by: Hole tensile strength test method ( GBT 30968.3-2014) provides a polymer matrix composite laminates hole tensile strength test methods test equipment. sample. test conditions. test procedures. calculations and test reports. Polymer matrix composite laminates under part load hole openings Performance Test Method 3: Opening tensi.