NB/T 47065.1  支座 BⅡ 500000-

bii 500000-

JWN 50×80(B)-25 RF S=4.5@WN300am

WN 900-150 RF Sch40S1046RF0 rRF2000

PL100(B)-16 RFh.80FFquotFF=2.9RFsN1

bii 50000

DN 125×15-Sch80 RE� rf/SCH4h40RF RF16 RF

PL500(B)-10RF8RF00

PL 250(B)-6 RFะจยฐะ’ะะจ

WN15-300 FFb7

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