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阿斯卡平衡閥 SCB307B015G 直接操作ASCO 電磁閥 direct operated 直接操作 balanced poppet construction 平衡閥芯結(jié)構(gòu) 1/4 to 1/2 1 / 41 / 2

ASCO電磁閥E290A086青銅或不銹鋼材質(zhì) E290A390 E290A399 E290B036 E290B079 E290A391 E290A400 E290B037 E290B080

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