[国外标准] EN 13659 English version Shutters - Performance requirements including safety
[机械行业标准] JB/T 13659-2019 矿用单驱动高压辊磨机
[国家标准] GB/T 13659-2008 001×7 强酸性苯乙烯系阳离子交换树脂
[国家标准] GB/T 13659-1992 001×7 强酸性苯乙烯系阳离子交换树脂