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Title Standard No. Implemented On
Process detection and control flow chart; Symbols and letter codesGB/T 2625-19811982-3-1
Glass fiber reinforced plastics-Average linear expansion factor of fiber-Method of testingGB/T 2572-19811981-10-1
Products from phenols--Determination of intermediate cresol content by the urea methodGB/T 2602-19811982-1-1
Lignite wax;Determination of drop pointGB/T 2560-19811981-10-1
Electronic tubes,Type FU-113Z(F)SJ 1802-19811982-1-1
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