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1.Авторское свидетельство СССР №440585, кл. G 01 N 21/12, 1973.1. USSR author's certificate №440585, cl. G 01 N 21/12, 1973.2.Авторское свидетельство по за вке 2391149/10, кл. G 01 N 29/00, 01.08.1976.2. The copyright certificate on the application 2391149/10, cl. G 01 N 29/00, 08/01/1976.HHHHHHH-WfHHHHHHH-Wfi и iii and iiiu3niu3n
SU762417568A1976-11-021976-11-02Device for measuring gaseous phase concentration in two-phase media
SU657332A1
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