STAS 10186 4-1975 FRITS AND GLOSSES DARKENED WITH TIN COMPOUNDS FOR CERAMICS Determination of iron trioxide aluminium trioxide and zinc oxide《用于陶瓷的由锡化合物变黑的熔块和浅饰 测定三氧化二铁、三氧化二铝和氧化锌 》.pdf

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