NB/T 47065.1  支座 BⅡ 31916

BII 31916

WN 300(B)-16 RF S=3122&@t.5 RJ40J BRF0@40(40RF-R5.5 RJj0S-20

BII 36914

WN80(B)-16 RF693

BII 37272 B570 S rf 1JsRF@F SRF0���cF&@п�-16 RF RFot9B-6@ RJ2 Sch40S@S5 R

PL 65(B)-10 RF FFM804--805F RF0-105

PL 65(B)-16 RF580

WN 40-100 RF S