HG/T 20592  法兰盖 BL 100-100 M0-150 RFch1F00

BL 100-100 M0-150 RFch1F00

BL 40-150 RF10Ss2FRFF0 RF Sch40SS.5 rf@WN1500 L

B BL 1100-150 RF=12516

1 fm800-1.0/62h8

WN80-25TSh16S5 RJF1@bl1=10/2rf-01 rf0-R rfu00c�5 RJFl RF6 RFF00fraw20�ˆš�

PL150(B)-16 RF/400-10

SO20(B)-25RF-1F@b40S13pource= R