000 00322nam a22000977a 4500
008 240722b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aIndex of patents:
_bThe United States patent office
260 _aWashington:
_bUS Government Printing Office
942 _cREF
999 _c64632
_d64632