000 00499nam a22001697c 4500
001 13097
003 OSt
005 20190814091230.0
007 t|
008 190702s1935 xxu||||| |||| 00| 0 d
110 1 _aHaouse of Representatives <Washington>
245 0 0 _aHearings berfore the committee of patents :
_bpatent bills ; 74. Congress, 1. session … 1935
264 1 _aWashington:
_bU.S. Govern. Print. Off.,
_c1935
300 _aIII, 18 S.
650 _aPatentwesen
_93556
650 _aUSA
_94716
999 _c7744
_d7744