NB/T 47023  法兰 FM 9000-4./s09 PL/pSCH8

3 FM 9000-4./s09 PL/pSCH8

1 RF 300-1.6 δsF00c3/uҐ

PL125B-6RF D/ 

bL 80(B)-10 RF16 h1=7/@WN1

PL100A-10 FF OF37h00-0n2

so 15-16 g67.2FFRF

TPB-3* п═р²п▓б╘п═Б─≤п╡р╡р╥п⌠б╥п═р²п▓б╘п║р╤п╡Б─╒р≤