HG/T 20592  法兰盖 BL 200-100 RF800-RFF00-1)-16

20592bl200-100rf800-RFF00-1)-16

WN 40(B)-25 RF S=500SCH4-

HP-2 ╨�=10 H=120403

pl200(a)-10rf d=340

WN 14"-1500 RJ Sch8022-2656f0H=229

SO 500(B)-10 RFFl15438-150 RF S=4fm 700-1.6/80=10 RFF

WN 15(B)-40 M=200-F6510 RFF RF

SO600-10 RF S=6M600-