000 | 00467nam a22001217a 4500 | ||
---|---|---|---|
008 | 230529b |||||||| |||| 00| 0 eng d | ||
040 |
_aNational Science Library _cNational Science Library |
||
080 | _a608.6(083.86)(73) | ||
245 |
_aIndex of trademarks: _bIssued from the United States patent office 1967 _c/ United States Government Printing Office |
||
260 |
_aWashington: _bUnited States Government Printing Office, _c1968 |
||
650 | _aIndex | ||
942 |
_cCR _2udc |
||
999 |
_c64651 _d64651 |