Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
QB/T 2258-2023 |
Mechanical Bell timer {译} 机械式响铃定时器 |
China Light Industry Industry
Standards Mechanical Bell |
![]() English PDF |
JB/T 8723-2022 |
Welded metal bellows mechanical seal {译} 焊接金属波纹管机械密封 |
China Machinery Industry
Standards Mechanical Bell |
![]() English PDF |
JB/T 6616-2020 |
Rubber bellows mechanical seal technical conditions {译} 橡胶波纹管机械密封 技术条件 |
China Machinery Industry
Standards Mechanical Bell |
![]() English PDF |
HG/T 3124-2009 |
Specifications of welded metal-bellows mechanical seal for agitators 焊接金属波纹管釜用机械密封技术条件 |
China Chemical Industry
Standards Mechanical Bell |
![]() English PDF |
QB/T 2258-1996 |
(Mechanical Bell Timer) 机械式响铃定时器 |
China Light Industry
Standards Mechanical Bell |
![]() English PDF |
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