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The MCQ: In which one of the following year, periodic table was patented; "Periodic Table" App Download [Free] with answers: 1854, 1847, 1869, and 1880 for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Apple Book (Free Sample) for school certificate.
In which one of the following year, periodic table was patented?
Periodic table was patented by a Russian Chemist named as
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