Един блог за ръчно изработени ножове//A Blog About Custom Handmade Knives
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Monday, January 4, 2010
Saturday, January 2, 2010
HRC
Labels:
hardness Rockwell,
HRC,
Rockwell,
Shor,
Vickers,
Роквел,
твърдост по Рокуел
Friday, January 1, 2010
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