NB/T 47021  法兰 FF 1000-1.6/9 S°w)-0(b)-16

1 FF 1000-1.69 S°w)-0(b)-16

NB/T47023 FM1500-2.5/102/225

WN20-900 RFp-16M/RFRF1/S=4/7 r001 RF2F S0fm47

47023 FM800-1.6/4

WN10B-100RF

BI 250-63 RF=5.620RFHG/4

1 FF 300-1.6 δs=0030rf sch80

BL300-6RF50/06GS1..0H=9016061

PL50(A)-16 RF b=0 d=102 AR

SOP