GB/T 12459  弯头 DN 100-20180ELRRFM70 B

DN 100-20 180ELRRFM70 B

PL 300(B)-6 RF160rf h=221025S5 RJ RFSc�

pl15(a)-16RJ�

wn15-150rf(fm)550-16RF2440 RFtmRF �N@ch4B50@RF0@RF=3 S

IF 20-900 G0SF4./u0c@RF�S6S5EL8

WN15(A)-25 RF S

BL 500-6 RF D08.18RFF

WN600(B)-600RJ

bl 100-6 RF85kf rfRF5

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