HG/T 20592  法兰 PL 300-16 RF1=3B)-16 RF S=5 S31603II 4P

PL300-16 RF1=3B)-16 RF S=5 S31603II 4P

WN25-40RJ1FRF00-1.

WN450-600 RF sch60Rff1.66 s=12-2ch120h.40

法兰 WN40(B)-16RF S=3 RF/t21633-1991D=

WN 600-16 FF S=16FF N=4RFS=16 R51282f0F FM5/65-14c=1.‘вu008RFF-1.01p-16RFk=160 r=5 h1=8

AWA 700 -900