GB/T 12459  异径三通 DN 1200×1200×40-Sch40STR

DN 40×40×1200-Sch40S TR

LF/SE15A-40RF S=3.250ch40043000-4.025 RF2�

WN50A-25 RF S=5.511-fc=11

BL 15-160 RJ=3.280-15RF B/0rf894-1)-

BL500-25M-1B0-F/5825fm)-16R000-0 RFforum.u0

20615 LWN40-300 RF1

WN15(a)-2500RF0=4F525

PL25-150rf800-116rfF500rf69

WN