HG/T 21574  吊耳 SP-54

SP-5487

2 A248944060f RF Sch12.5 RJ-R�RF@RRF SCH40

DN600-PN6 WN RFfm s16F

SO 1"-150 RF-10@4

PL15-10ff1.0/34R@RJ-1671a5

BI 1400■�

2 A19317.5 RJ/ RFJ2@RF@4430Sf2c0340S1040S5 RJj

bi 66320 RF Sch80Sm@0��ذ�165FS@RF5@FSFS1@ch4SS5

PL40-16