NB/T 47065.1  支座 BⅡ 1675

BⅡ1675

PL6(B)-10 RFc

WN 300(B)-16 RF S=4582

3 FM 1300-1.60B)ch

WN 50-150 RF1011

4 B491

WN80(B)-16 RF10350=092f b=F@R)

47065.2 A230ch2882-16 RF272250 RF Sch3477-16 RF21601926R50RF Sch472857220-18S40 RF Sch40O1for.50

WN 653(B)-16 RF Sc��(4

3 RF 1