| 000 | 00476nam a22001817c 4500 | ||
|---|---|---|---|
| 001 | 10059 | ||
| 003 | OSt | ||
| 005 | 20190814091103.0 | ||
| 007 | t| | ||
| 008 | 190702s1946 xxu||||| |||| 00| 0 d | ||
| 110 | 1 | _aUnited States Patent and Trademark Office (USPTO) <Washington> | |
| 245 | 0 | 0 | _aThe classification of patents |
| 250 | _a2. rev. | ||
| 264 | 1 |
_aWashington: _bGov. Print. Off., _c1946 |
|
| 300 | _aIV, 39 S. | ||
| 650 |
_aPatentklassen _93467 |
||
| 650 |
_aUSA _94716 |
||
| 999 |
_c6148 _d6148 |
||