GB/T 12459  弯头 DN 1400-Ⅱ-990ELR4

DN 1400-Ⅱ-9 90ELr4

BL 80-63 RF02 FM1.hF30@RF1F�.801h5RF@0(5RF@7w60fm1=20592-

PL25(B)-16RFTRff6h40.0

PL 250(B)-16 RFÐ16RFm2MSch4@F-16 S

PL80-6 RF RFbb=40F ScBF.

1 FM 400-1.0 δs=6@010(-F@RF5100 RJ Sch40d=&

SOP FF 10K 250A150�RF16 RFRF10

PL000-1