Proceedings of the Engineers' Society of Western Pennsylvania, Հատոր 20Engineers' Society of Western Pennsylvania., 1904 Appended to v. 12 are 15 articles on "methods for the analysis of ores, &c.," 101 p. |
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LE | 1 |
Chemical Section Annual MeetingThe Constitution of Mat | 26 |
Structural Section Annual Meeting | 32 |
16 այլ բաժինները չեն ցուցադրվում
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