000 00357nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a8179920364
082 _a621.84
_bJAI
100 _aJaico Pub...
245 0 _aKnowing more about valves
260 _aMumbai :
_bJaico Publisher,
_c1994
300 _a197.
365 _a995
650 _aApplied physics
999 _c27942
_d27942