材料硬度 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "材料硬度" in Chinese language version.

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alustir.com

archive.org

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doi.org

  • Ridgway, Raymond R; Ballard, Archibald H; Bailey, Bruce L. Hardness Values for Electrochemical Products. Transactions of the Electrochemical Society. 1933, 63: 369. doi:10.1149/1.3493827. 

labtesting.cn

  • GB/T 26704-2011. 铅笔. 中国国家标准化管理委员会. 2011-06-16 [2022-01-07]. (原始内容存档于2022-01-09). 

pencils.com

sizes.com

surface-techj.com

uga.edu

gly.uga.edu

wdfxw.net

web.archive.org