13th century 1 ____ were invented by the Chinese. 2 ____ were invented by the Italians. 18th century 3 ____ was invented by two French brothers. 19th century 4 ____ were invented by an English teacher. 5 ____ was invented by a Belgian musician. 6 ____ was invented by a Swedish scientist. 7 ____ was invented by the Swiss. 20th century 8 ____ was invented by the Americans. 9 ____ was invented by a Danish businessman. 10 ____ were invented by a Dutch company.

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