NB/T 47021  法兰 FM 800-1.0/58S=10

1FM800-1.0/58S=10

wn250(B)-16 fm00F SC0RF25RFcB)-25RFS0Fm9c80EL��77.5 RJbSch1H@sR7rj&a

BL 600-10 RFf hg/2nvo s/h1pSc

SP-5-15-10 S=п©б╘п�

bl100(b)-150rfR8 s=3/

pl200B-40RFп╝Б∙

SO500B-16RF=65 9711Rf s=2pam0

wn40(b)-150 rf s/

WN300-30