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17871826

XPOHOC

, (Fraunhofer, Joseph) (17871826), . 6 1787 () . , . 1806 - ( , ), 1818 . 1823 . . , , , , . . 1814 ( ). (.. ) , . ( ). 7 1826.

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.. . , . 22, 1959

 

 


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