HG/T 20592  法兰盖 BL 50-25 RFM S/S/2RJSch000K=412M S0-3010R

BL50-25RFM S/S/2RJSch000K=412M S0-3010R

A WN800-150 RF B=78

BL25-300RF0 d1=750“S6.3.50 H==4- b=

BL300-150 RFole/rf=1

A 1400-Fpa.50S140/g/t205004060S.60S

PL65A-6RF=20.9000=3-16 FF0-63 RJ S=16B=521/0

wn150(b)-16fm s=4.55RF RF

wn250b-63rf s=105.50a3/