000 00508 a2200241 4500
001 275310
020 _a
041 _aeng
080 _aDBSI 5793 : part - 1 : 1989
245 _aIndustrial -process control valves : part - 1 : specification and terminology for control valves
250 _a
260 _aLondon
260 _bBSI
260 _c1989
300 _a9 p.
300 _c
856 _u
490 _aBSI 5793 : part - 1 : 1989
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c232649
_d232649