GB/T 12459  弯头 DN 100-Sch4090ELR1

DN 100-Sch40 90ELR1

BL 108-16 RF/datch80S�rFFmF6006R�� FMfs2@2500F@.5 RJ-1a0860 LT-135Mu2. Sc5R5@00F6@

WN 1 1/2"-150 RF Sch40S

PL50(A)-16 RF b

WN 400-600 RF SM5p S

WN350-300 RF=m

法兰盖 BL250-63RF

SO 2 1/2"-150 RF SA-

SOP FF 10K 5