| 000 | 00310nam a22001097a 4500 | ||
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| 008 | 230317b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 100 | 1 | _93516 | |
| 245 | _aTechnical news bulletin | ||
| 260 |
_bU.S department of commerce _aU.S |
||
| 942 |
_cBK _2udc |
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| 999 |
_c65368 _d65368 |
||