000 | 00322nam a22000977a 4500 | ||
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008 | 240722b |||||||| |||| 00| 0 eng d | ||
040 |
_aNational Science Library _cNational Science Library |
||
245 |
_aIndex of patents: _bThe United States patent office |
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260 |
_aWashington: _bUS Government Printing Office |
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942 | _cREF | ||
999 |
_c64632 _d64632 |