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プロフィール
登録日: 2021年6月11日
プロフィール

Polycarbonate refers to a group of thermoplastic polymers that holds the carbonate groups in their chemical structures. Polycarbonates are often used in engineering because they are strong, tough, and some grades are optically transparent.


polycarbonate manufacturing process

Endru Smith
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A MASTER STORYTELLER!

~The New York Times

THE KING OF KIMONO COMEDY!

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