STAS 3624-1974 FOUNDRY BENTONITE General technical requirements for quality《铸造用膨润土 一般质量技术要求》.pdf

相关资源

JB T 9227-1999 铸造用膨润土和粘土.pdf

JB T 9227-2013 铸造用膨润土.pdf

JUS B F1 040-1979 Foundry bentonite classification and technioal requirements《锻造用膨润土的分类和技术要求》.pdf

JUS B F8 040-1979 Foundry bentonite Sampling and testing《锻造用膨润土的取样和试验》.pdf

UNI 6716-1970 Foundry bentonites Requirements and tests 《铸造用膨润土 特性和试验》.pdf

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