| 000 | 00736nam a22001937c 4500 | ||
|---|---|---|---|
| 001 | 12465 | ||
| 003 | OSt | ||
| 005 | 20190814091212.0 | ||
| 007 | t| | ||
| 008 | 190702s1980 xxu||||| |||| 00| 0 d | ||
| 110 | 1 | _aCommission of the European Communities <Brussels> / Information Management | |
| 245 | 0 | 0 |
_aEvolution of patent filing acrtivities in the USA : _ba contribution to the study and assessement of technological trends in the USA from 1969 to 1974 based on a statistical analysis of patentsa / _cMitarb.: Hans Grevnik ; Hermann Kronz |
| 264 | 1 |
_aBrussels, _c1980 |
|
| 300 | _aIV, 132 S. | ||
| 650 |
_aStatistik _94239 |
||
| 650 |
_aPatentwesen _93556 |
||
| 650 |
_aUSA _94716 |
||
| 650 |
_aInternationale Patentklassifikation _92098 |
||
| 999 |
_c7412 _d7412 |
||