氧氣防回火裝置

Product name: acetylene tempering prevention device
Models: HF - 3
Specification: HF - 3
Product synopsis: technical parameters applicable medium: acetylene pressure: 15 mpa ventilation flow: 15 m3 air intake side: M16 * 1.5 gas end: M16 * 1.5
三级4级全黄
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