NB/T 47065.1  支座 A 4937

47065.2 A4937

PL 800(B)-16 RF

47065.3 B7986

3 RF 1200-1.6

pl250(b)-10ff bB=3085

47065.4 A3754

bl400(b)-25 fmru8

PL100(B)-16 RF4160Ã S0S@RF8@RF@089M6 R8ch�0 RF2

1 M 700-0.6 δs=8

WN 4"-150 RF Sch6828JF/�5 RJ- LM2000005B=749.3-125rf c=3 RJ-RF