The case on the dissemination of rules on the procedure for issuing privileges for inventions in the field of agricultural machi...

Title	The case on the dissemination of rules on the procedure for issuing privileges for inventions in the field of agricultural machinery
Series	1840-1849
Fonds	Department of State Economy of the State Council
Display format	Full description RUSMARC
Collections	Russian inventions: Pages of history → Inventions in the XVIII - early XX century → Selected inventions → Agricultural machinery