GB/T 12459  等径三通 DN 25-4.56TS502/1

DN 25-4.56 TS502/1

DN100-Sch40 90ELs4510b5000B1RF0.56205Sch

PL 15(B)-6 RF03930..hFp@°F5@P

HG/T20592 PL32(B)-16 RF S/210rf3h1=8B=20FkSc

SW 40-150 RFSch80=143.6RFSS5 RJch10

SP-4FRFf19.1RF5F1000ri92

WN 80(B)-25 RF S1000-

wn100-300 m1.0/

LWN25-900 RJC