Hydro-electric practice a practical manual of the development of water, its conversion to electric energy, and its distant transmission
| المؤلف الرئيسي: | |
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| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
Philadelphia & London
J.B. Lippincott Co.
1908.
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| الموضوعات: |