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Effetre glass : ウィキペディア英語版 | Effetre glass Effetre glass (pronounced (:ˌɛfɛˈtrɛ) , Italian ''F3'', abbreviated form of ''fratelli tre'', "three brothers"), once known as Moretti glass, is a kind of glass used in lampworking. It is considered a medium-soft glass and is popular because of its wide range of colors and the ease with which it is molded and shaped when hot. Genuine Effetre glass is made in Italy by the Effetre International Company on the island of Murano. It has a working temperature of and a coefficient of expansion value of 104. Effetre is a variety of soda-lime glass. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Effetre glass」の詳細全文を読む
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