000 00579nam a22001817c 4500
001 14093
003 OSt
005 20190814091301.0
007 t|
008 190702s1972 xxu||||| |||| 00| 0 d
110 1 _aUnited States Department of Commerce <Washington> / Patent Office
245 0 0 _aGeneral information concerning patents :
_bfor information and proceedings with a patent see patents & inventions ; an information aid for inventors
250 _aMarch 1972
264 1 _aWashington,
_c1972
300 _aIII, 43 S.
650 _aPatentwesen
_93556
650 _aUSA
_94716
999 _c8294
_d8294