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+7 (495) 849-29-70
10-18 -
+7 (495) 849-29-70
10-18 -
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0 .


- 2 3

- 99,99%; 30-70 ( )

  49N-0801

In 2 O 3 , 99,99%,

90

. . 850 o C, . . ., 7,2 / 3
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