Top 1031 1900 1978 PDF Book Page 43

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IEEE Guide for Diagnostic Field Testing of Electric Power Apparatus: Oil Filled Power Transformers, Regulators, and Reactors (Ieee Std 62-1995 Rev of Ieee Std 62-1978)

IEEE Power Engineering Society. Power System Instrumentation and Measurements Committee
·26 Pages
·1995
·0.26 MB

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压力下的生活:1700~1900年欧洲与亚洲的死亡率和生活水平

[瑞典]托米·本特森 / [美]康文林 / [美]李中清 等 著; 李霞 / 李恭忠 译
·663 Pages
·2007
·21.94 MB