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Gekata [30.6K]
3 years ago
15

Why vacuum flask is known as thermos flak?

Physics
1 answer:
Aneli [31]3 years ago
8 0

The flask was later developed using new materials such as glass and aluminum; however, Dewar refused to patent his invention. ... The name later became a genericized trademark after the term "thermos" became the household name for such a vacuum-insulated container for liquids.

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✯Hello✯

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