NB/T 47065.1  支座 A 969

4 A969

WN100-150 RF sch40s-25rf

PL 65(A)-16 RF n=4 b=2

WN 2 1/2"-150 RF

WN 65-300 RF

DN25/PN16/13A/G

LWN 2-300 RF0010.5 RJ

PL 65(B)-16 RF

PL 50(B)-16 RF

PL 100(B)-16 RF(B)-10 RF3 SSc&@t.RF@RF@RFF9F)-r1-6 R80FF0؟FF300 RF592 HSC2s1�B)=fs2@RF@4