In 1947, a research physicist Chester Carlson set up which company to sell his invention, an office machine?
in 1947, a research physicist chester carlson set up which company to sell his invention, an office machine
FreebaseQA-train-4448.P0 FreebaseQA-train-4448.P1
chester carlson chester carlson
chester carlson chester carlson
m.01_51j m.01_51j
organization.organization_founder.organizations_founded user.lindenb.default_domain.scientist.known_for
m.087c7
xerox
m.087c7
xerox