-2   -30  -15,    -170/250

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

12B-2 (2-19,05) Z=22

     12B-2 (2-19,05) Z=22, D2=20 , L=50 , dm=100 , =3,97

 12B-2 (2-19,05) Z=22



12B-2 (2-19,05) Z=22 3024 P =.


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