JIS B2220  法兰 SOH FF 20K 700A пҝҪГ

SOH FF 20K 700AпҝҪГ

BL 300-16 RFآ¯ط·ع؛ط¢آ½

DN125-PN100 SO FM II1ШЈВҜ0 R

WN50-300 RFSRFff=10S=12h0F00 rf

WN 100(B)-16 RF

LWN250-150 RF

pl250(a)-16 rf b=1ch50FR

WN20-150 RF sch80ะ ย ะ’ย ะ โ�

BL 40-6 RF2000��ฏ.