000 00482nam a22001817c 4500
001 14032
003 OSt
005 20190814091259.0
007 t|
008 190702s1966 xxu||||| |||| 00| 0 d
110 1 _aU.S. Department of Commerce <Washington> / Patent Office
245 0 0 _aIndex to Classification
264 1 _aWashington:
_bU.S.Gov.Print.Off.,
_c1966
300 _a343 S.
650 _aUSA
_94716
650 _aPatentklassen
_93467
650 _aPatentklassifikation
_93471
999 _c8251
_d8251