GB/T 12459  弯头 DN 80-Ⅱ-290ELRF70/

DN 80-Ⅱ-2 90ELRF70/

PL250-10RF b=60rfF S

PL20B-16RF1000-0R06f/kerse

PL150(B)-16RF B=78.63

PL25(A)-10 RF MX=N1

bii100014-100F117� T0bch81

PL200(B)-16 RF6 RFch10S00 RF1.

WN 100-2.5 FMF0-2.5/70-16510RFfRF

PL 150-10 FF b=5-1075040-M1.30h80jJ5 RJ44

SO