HG/T 20592  法兰 PL 55-6 FF50 RF8nvokerFM

PL55-6FF50 RF8nvokerFM

BL80-150RF900-10 RFb00

20615WN350-300RF-Sch4

so80b-16rf400-1.6 δ=44fs8000-1.6/70-1650-1.00(b)-

PL 40(B)-25 RFRFFM400-

pL300-6 RFRF0 RF Sch4F/0@40 B()-160 R B()-0SRF/@

SO 12"-150 RF=3/4&

B/u00e2/u0085/u00a04200FFF0-2

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