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001 | 16180 | ||
003 | OSt | ||
005 | 20190814091407.0 | ||
007 | t| | ||
008 | 190702s1940 xxu||||| |||| 00| 0 d | ||
110 | 1 | _aDepartment of Commerce <Washington> / United States Patent Office | |
245 | 0 | 0 |
_aManual of classification of patents : _bdefinitions of all revised classes … |
264 | 1 |
_aWashington, _c1940 - |
|
300 | _aLosebl.-Ausg. | ||
650 |
_aPatentklassen _93467 |
||
650 |
_aUSA _94716 |
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500 | _a8.565, 8.566, 8.816 | ||
999 |
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