OBJECTIVE WITH VARIABLE FOCAL LENGTH
NEGINSKAYA INESSA G,SU, SHAKHNOVICH SHIFRA KH,SU, ZIMARIN VLADIMIR K,SU, CHASHCHINA GALINA V,SU, TERYAEVA EMMA ,SU, GAN ABRAM ,SU
Year of Publication 15.07.1977
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Year of Publication 15.07.1977
Patent