Is refrigerator vacuum cleaner were invented during industrial revolution and the date on which they were invented

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plzz clarify your question
refrigerator aur vacuum cleaner industrial revolution ke time hi bane the
agar bane the to fir ye btao ki kab bane the
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Answers

2015-05-04T17:06:42+05:30
Yes refrigerator and vacuum cleaner were invented during the industrial revolution. artificial refrigerator was invented in early 1800s. vacuum cleaner was invented in 1901.
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