BLANK WORKING METHOD
VASILEV YAKOV M,SU, YANOV STANISLAV I,SU, TIMOFEEV MIKHAIL A,SU, CHERNIKOV ANTON S,SU, PISHCHULIN NIKOLAJ I,SU, CHESNOKOV ALEKSANDR D,SU
Year of Publication 23.11.1982
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Year of Publication 23.11.1982
Patent