000 | 00454nam a22001817c 4500 | ||
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001 | 20485 | ||
003 | OSt | ||
005 | 20190814091624.0 | ||
007 | t| | ||
008 | 190702s1940 xxu||||| |||| 00| 0 d | ||
245 | 0 | 0 | _aThe story of the american patent system 1790-1940 |
264 | 1 |
_aWashington: _bGov. Print. Off., _c1940 |
|
300 | _a29 S. | ||
650 |
_aUSA _94716 |
||
650 |
_aPatentwesen _93556 |
||
650 |
_aPatentamt _93359 |
||
650 |
_aGeschichte _91629 |
||
999 |
_c11802 _d11802 |