HG/T 20592  法兰 WN 100-6 RF S=3 A=114…ЎfB

WN100-6 RF S=3 A=114…ЎfB

3 CG 2800-6.420δ0=8°w��▓я├я�

SO 500(B)-16 RF

DN40-PN63 SO RF Ⅱ620-1016b)s＝3cF150FRJ S=600f

1 RF 1000-1.0750Sch4040 RF Reqid=ccc586b000040d0900000004646c7500Ff1006

LP-2-4.0.26s02=14 RF RFRFF S-3 90EL5 H=1