GB/T 12459  同心异径管 DN 900×10-Sch20RC05.51067=8

DN 900×10-Sch20 RC05.51067=8

47023 G1200-1.6/64-15mRF6 C

1 RF 1900-1.620δs=

wn100-600 rfiRJ S=8

BL100-16RF=.htf@ f-16RFssch40-1.6orum.��¢â½h

PL500(A)-25 RF b,B=575

lwn40-150rf SCH40 H=407.25�

PL 150(B)-16 RF-6f0264�6h40m-00-

PL25-16RF=2r