$10
Type,main dimension,material and marking of mechanical seals
全国机械密封标准化技术委员会(SAC/TC 491)
本标准规定了离心泵及类似旋转机械用机械密封的型式和主要尺寸、识别标志和材料代号。
本标准适用于单端面、双端面机械密封。
This standard is the original Chinese electronic standard.
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