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Factories and labour manual ( Volume 1 )
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | Printed Book |
| भाषा: | English |
| प्रकाशित: |
Agra
Wadhwa and Company
1979-1982
|
| संस्करण: | 5th revised ed. |
| विषय: |
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