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10-18 -

1915 1925

  1915  1925
  1915  1925
. .
150 .
1915 1925

1915 1925 - , Al - Zn - Mg 6, 1915 , . .

1925 , . , , 1. 1915 1925 . 350-480 C. 15-30 /. 1, 6 5-10 .

1915 1925 , .. (, ). 10 , .. , . , , . - 450 + 10 C 30 100 C, 242+160 C 10 .
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