000 00445nam a22001817c 4500
001 17639
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005 20190814091453.0
007 t|
008 190702s1947 xxu||||| |||| 00| 0 d
110 1 _aUnited States Patent Office <Washington>
245 0 0 _aPatent Laws
250 _aRev. May 1, 1947
264 1 _aWashington:
_bGov. Print. Off.,
_c1947
300 _aIV, 59 S.
650 _aPatentrecht
_93576
650 _aUSA
_94716
999 _c10235
_d10235