W. K. Rontgen, “the x-­‐rays” (1895) 1


Download 51.98 Kb.
Matnni ko'rish
Sana17.01.2018
Hajmi51.98 Kb.
#24733




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2024
ma'muriyatiga murojaat qiling