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結果 : when was the ancient chinese toothbrush invented

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4:01

How the Toothbrush Was Invented

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The Story about ancient toothbrush in English

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1:32

The History of the Toothbrush. What was an ancient toothbrush like?

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1:40

Who INVENTED the TOOTHBRUSH ? | Google Arts & Culture

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1:04

Invented in China: The Toothbrush

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1:00

20 Surprising Facts about Toothbrush

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The Fascinating History of the Toothbrush 🪥 #shorts #facts

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歯ブラシの歴史 – 私たちの先祖はどのように歯を磨いていたのか

The Babocks' Show
4,762 回視聴 - 3 年前
3:00

Who invented the Toothbrush?

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1:06

HISTORY OF FIRST TOOTHBRUSH!!#toothbrush#history

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346 回視聴 - 3 年前
0:59

The History & Evolution Of Tooth Brush | Wiser Together

Wiser Together
82 回視聴 - 1 年前
0:37

First Toothbrush in History #trending #history

ORGO
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0:55

Toothbrush Invention Timeline #shorts #facts #hindifacts

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63 回視聴 - 2 年前
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Ancient Chinese Inventions Still Used Today #Chineseinventions #ancientChina #shorts

Asia Traditions
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0:45

Ancient dental care: How people cleaned their teeth before toothbrushes?

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6 回視聴 - 4 か月前
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Why Dentists Still Use Gold Teeth 🤔

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2:02

歯ブラシの歴史

Best Brush Co.
1,395 回視聴 - 3 年前
2:21

Timeline of Inventions by China.

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6,039 回視聴 - 2 年前