| 000 | 00475nam a22001697c 4500 | ||
|---|---|---|---|
| 001 | 18280 | ||
| 003 | OSt | ||
| 005 | 20190814091513.0 | ||
| 007 | t| | ||
| 008 | 190702s1982 xxu||||| |||| 00| 0 d | ||
| 110 | 1 | _aUnited States Patent Office <Washington> | |
| 245 | 0 | 0 |
_aQuestions and answers about patents : _banswers to questions frequently asked about patents |
| 250 | _aRev. May 1982 | ||
| 264 | 1 |
_aWashington, _c1982 |
|
| 650 |
_aPatentwesen _93556 |
||
| 650 |
_aUSA _94716 |
||
| 999 |
_c10593 _d10593 |
||