JIS B2220  法兰 BL FF 10K 500A S=5.528 B=40SRFRF6F b0EL

JIS BL FF 10K 500AS=5.528 B=40SRFRF6F b0EL

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WN80-600rj rfF.htmlRF00RJ.80h40po406000rj00-1.65

20615 WN100-900RF4 d3M0-1.0rf bb=59-

wn25(b)-10 rf s=4.5ESrf sch400-1(b)5/

20615 WN500-150