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| 2007, Vol. 14(1): 62-73 DOI: | ||
| Research on inventive principles classification of electrical design: Principles No.1 to No.20 | ||
| SUN Jian-Guang, TAN Run-Hua, WEI Wen-Chao | ||
| Institute of Design for Innovation, Hebei University of Technology, Tianjin 300130, China | ||
| Received null Revised null | ||
| Supporting info | ||
| null | ||
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