GB/T 12459  等径四通 DN 15-Ⅱ-2.5CRSblRF

DN 15-Ⅱ-2.5 CRSblRF

bl25b-16ffch30S500(A0b0

WN 20(B)-40 FM S=3

WN 300(A)-10 RF S=5

WN20(A)-63 RF S=

SO 20"-300 RF

pl125-16RF

pl 50-6 RF

SO20-600 RF

SO350B-16 RF24.6-300rfrf4FM00401200-2.5, SCH4010RF S=5-116-RJ Ss00H/-190 FM Sh160109 S=16C=176F