On June 12, 1872, the First All-Russian Polytechnic Exhibition was opened in Moscow


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On June 12, 1872, the First All-Russian Polytechnic Exhibition was opened in Moscow
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On June 12, 1872, the First All-Russian Polytechnic Exhibition was opened in Moscow - История России, Российская империя, Polytechnic Museum
On June 12, 1872, the First All-Russian Polytechnic Exhibition was opened in Moscow - История России, Российская империя, Polytechnic Museum
On June 12, 1872, the First All-Russian Polytechnic Exhibition was opened in Moscow - История России, Российская империя, Polytechnic Museum

История России Polytechnic Museum Российская империя
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