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100 | _aIndian Standards Institution | ||
245 | _aValve Inspection and Test (IS : 6157 - 1981) | ||
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_aNew Delhi _bIndian Standards Institution _c1981 |
||
300 | _a3p | ||
500 | _aIS : 6157 - 1981 | ||
600 | _aIndian Standard - IT | ||
890 | _aIndia | ||
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999 |
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