"Opening pressure " CNS Standards List| Method Test | Black Wax | Methods test | Method chemical | 60 degree | Classification labelling | Method Test | Plain Shovel | |
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CNS 9790
2017 Edition Opening pressure vessels 壓力容器之孔補強 |
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CNS 9790
2001 Edition Opening pressure vessels 壓力容器之孔補強 |
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