热塑性软管|沙特标准|SASO-ISO-12170
SASO-ISO-12170
Gas welding equipment – Thermoplastic hoses for welding and allied processes
气体焊接设备-焊接和相关工艺用热塑性软管
热塑性软管|沙特标准|SASO-ISO-12170
SASO-ISO-12170
Gas welding equipment – Thermoplastic hoses for welding and allied processes
气体焊接设备-焊接和相关工艺用热塑性软管
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