GB/T 12459  异径三通 DN 650×650×500-Sch100TR

DN 650×650×500-Sch100 TR

BL 450-16RF681000A=01504

WN200-600 FF5 RFF wn40-150rf0 rj60rf54120 S

A WN 30"-300 RJ0-1600

PL200(B)-16 RFK/p1=5/6

47021 rf700-0.6 c0rfΟΔ¬Αpl)-16RF0rrf s=10S=

bl450(a)-10rf à s02-125FMh0(b)-16

PL300-16RF

PL50()-16