GB/T 12459  弯头 DN 40-Ⅱ-590ELRF1=

DN 40-Ⅱ-5 90ELRF1=

bl 100-16 ff/700rj0pampwd=5

LWN 450-600 RF SS H=194.5M6h80

47023 rf1800-0.6/6sc80 S

PL300(B)-100 m/

2 CT 800-2.520δ1=201=6

LWN40-300 RFSch40 Sch40 A=21f55.50 RJ

DN 200-Ⅱ-5.5 CR)-16

so150-16mF5

SO65(A)-300RFfѓ16rf b=4F b0/h0�