-2   -30  -15,    -170/250

: 12B-2 (2-19,05)

12B-2 (2-19,05) Z=14

     12B-2 (2-19,05) Z=14, D2=16 , L=50 , dm=65 , =1,46

 12B-2 (2-19,05) Z=14



12B-2 (2-19,05) Z=14 1320 P =.


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