000 00485nam a22001817c 4500
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003 OSt
005 20190814091301.0
007 t|
008 190702s1953 xxu||||| |||| 00| 0 d
110 1 _aUnited States Department of Commerce <Washington> / Patent Office
245 0 0 _aGeneral information concerning patents
250 _aJanuary 1, 1953
264 1 _aWashington:
_bGov. Print.,
_c1953
300 _a35 S.
650 _aPatentwesen
_93556
650 _aUSA
_94716
999 _c8284
_d8284