Brass Pob Valve Standard
Apr 08, 2022| 1. Tus naj npawb ntawm tooj liab pob valve: GB / T15185-1994
2. Muaj tooj dag pob valve tus qauv tooj: NF/E29-354-2003
3. Pob valve cov khoom lag luam kev faib tawm tus qauv: JC/T783-2004
4. Cov iav fiber ntau hloov kho phenolic tooj dag pob valve tus qauv tooj: JB/T8861-2004
Tom ntej: Qhov zoo ntawm cov khoom sib cais dej
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