有效期：
20天
DIN3352-F4闸阀:RESILIENT SOFT GATE VALVE DIN3352-F4 PN16 DN40---DN100 PN10 DN125-----DN500
DIN3352-F4蝶阀: Butterfly cast iron body ,disc;ductile iron with nickel,EPDM seated, PN10、PN16 DN50----DN300
DIN3352-F4Y型过滤器：Y- STRANER ，IRON BODY，epoxy coated ss304 screen witnout magnetics，with magnetics Treated ends PN16 DN25----PN40 Flanged ends PN16 DN50---DN300
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