000 00441nam a22001817c 4500
001 17636
003 OSt
005 20190814091453.0
007 t|
008 190702s1939 xxu||||| |||| 00| 0 d
110 1 _aUnited States Patent Office <Washington>
245 0 0 _aPatent Laws
250 _aRev. July 1, 1940
264 1 _aWashingon:
_bGov. Print. Off.,
_c1939
300 _a51 S.
650 _aPatentrecht
_93576
650 _aUSA
_94716
999 _c10232
_d10232