Pakistan Standard.
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| OCLC: | 10634058 |
|---|---|
| 语言: | English |
| 出版: |
Karachi,
Pakistan Standards Institution,
1957-
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| 格式: | 序列 Note that CRL will digitize material from the collection when copyright allows. |
| 出版: | no. 1- |
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| Item Description: | Title varies slightly. |
| 实物描述: | no. ill. |