000 | 00428nam a22001097a 4500 | ||
---|---|---|---|
008 | 230529b |||||||| |||| 00| 0 eng d | ||
040 |
_aNational Science Library _cNational Science Library |
||
245 |
_aIndex of trademarks: _bIssued from the United States patent office 1969 _c/ United States Government Printing Office |
||
260 |
_aWashington: _bUnited States Government Printing Office, _c1970 |
||
650 | _aIndex | ||
942 | _cCR | ||
999 |
_c64657 _d64657 |