JIS G 5901-2016 9361 Molding silica sand《铸造模用硅砂》.pdf

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GB T 8847-1988 压力铸造模具术语.pdf

GB T 14235.3-1993 熔模铸造模料 灰分测定方法.pdf

IRAM 541-P -1948 《铸造模型的上色与标识》.pdf

GB T 14235.8-1993 熔模铸造模料 粘度测定方法.pdf

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