HG/T 20592  法兰盖 BL 250(B)-10 RF RF Sch40S1 RB)-44sch40aaa

Bl 250(B)-10 RF RF Sch40S1 RB)-44sch40aaa

WN 80-300 RF S=5.5

WN 450-150 RF S=10

BL 8"-150 RF–ТаА

pl20(a)-16fF2/data�һР�.5 PL

TPB-2BRF@2Fs044пҝҪ03rf9RF5 RJ3rf9RF5

bl 350-6 rf615๏0e�SCH60 R

3 M 1000-1.6

WN 20"-300 RJ16-F

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