GB/T 12459  翻边短节 DN 50-2LJS

DN 50-i-2 LJS

DN20/PN10/02&36B Sch10S8040@RF@45-R@@40@S5

PL300(B)-10RF

PL89(B)-40RFS5

PL150-10rf5mp

SW 2"-150 RFF S=2.5806@40HForF/2@ RF5 RJ RFF00 RJ Sch80��@

DN10-PN10 BL RF Ⅱ

BL 15-100 FM

SO 40-150 RF0FF IRF�(40RF-R�@4п�j@M

BL450-