jinlong5 发表于 2020-8-11 16:08:22

ASME BPVC-IIA-SA-214-214M-2017 SPECIFICATION FOR ELECTRIC-RESISTANCE-WELDED CARB

ASME BPVC-IIA-SA-214-214M-2017 SPECIFICATION FOR ELECTRIC-RESISTANCE-WELDEDCARBON STEEL HEAT-EXCHANGER
AND CONDENSER TUBES

admin 发表于 2020-8-11 20:47:37

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