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Documents associated with Leningrad Plant of Aircraft Instrument-Making
Item 1. (Name does not exist in this language.)
Telegram, M. B. Ignatiev->A.P. Ershov, 26.02.1985Invitation to a conference on school informatics
Letter, M. B. Ignatiev->A.P. Ershov, 19.01.1987
Item 9. (Name does not exist in this language.)
Letter, 09.01.1964
Letter, A. P. Lukoshkin->A.P. Ershov, 05.10.1984Request to support Prof. M.Ignatiev in the election
Letter, M. B. Ignatiev->A.P. Ershov, 29.04.1984
Claim for participation, 23.04.19682 participants.
Letter, M. B. Ignatiev->A.P. Ershov, 11.09.1974
Letter, A.P. Ershov->Unknown addressee, 25.11.1987In support of a nomination of Michail B.Ignatiev for the Corresponding Member of the USSR Ac.Sci. on speciality "Systems of automated designing in machine-building".
Letter, M. B. Ignatiev->A.P. Ershov, 29.09.1985
Letter, M. B. Ignatiev->A.P. Ershov, 15.12.1985
Letter, 28.11.19692 participants
Claim for participation, 25.11.19692 participants
Claim for participation, 30.09.19694 participants
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