000 | 00426nam a2200133Ia 4500 | ||
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008 | 220407s9999 xx 000 0 und d | ||
040 | _cATVERC | ||
050 | _a06.01 CEI CHN 2013 | ||
245 | 0 | _aIn commemoration of the 35th anniversary of CEIEC | |
260 |
_aXicheng District, Beijing _bChina Educational Instrument and Equipment Corp. _c2013 |
||
300 |
_a60 p. : ill. ; 28.5 cm. _c28 cm |
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650 | _aEducation | ||
999 |
_c17862 _d17862 |