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guo wai zhuan li ( cui huo jie zhi )
Pages: 50+21
Year: Issue:  1
Journal: Heat Treatment of Metals

Keyword:  美国专利水玻璃冷却能力析出物淬火介质申请零件表面公布发明者水溶液;
Abstract: <正> 1.苏发明者证书№272341,申请68,9,9,公布70,9,9。水玻璃18—20%(体积),SiO2 32—34%,Na2O 12.5~13.5%,其余为水。可保证硬度,无有害析出物,零件表面有防蚀作用,稳定。
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