000 00541nam a22001577a 4500
008 230220b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 002:608](082.2)
_bM1
245 _aNational seminar on patents systems:
_bNo. 28-29, 1981
_c/ National Geophysical Research Institute
260 _aHyderabad:
_bNational Geophysical Research Institute,
_c1981
300 _a208p.
650 _aLibrary
653 _aPatent processing
653 _aTechnology
942 _2udc
_cPR
999 _c2209
_d2209