NB/T 47065.1  支座 BⅠ 79925

BI 79925

WN20(B)-63 RF S=4.5RJ

WN25-63RF S=4 H50mpampampampamp

PL35-16 FFSch40S0 RFMch-60f115b0SRF Sch405 18

WN 4"-150 RF Sch6645

DN40-Class150 LHL RF

BI 79971

BI 12316

SP-9727

B WN 28"-300 RF B=8B1511B)-16 RF50(B)-16 RF/25-16Sch16060p0;-60