Chinatungsten-Tungsten and Molybdenum
2012年9月13日星期四
Eight Shaped EB Tungsten Filament
The EB tungsten filament is manufactured by Chinatungsten Online, and shaped as a special door like. As its outer shape, it is like the chinese character of eight. Therefore, we also call it as eight shaped EB tungsten filament.
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amanda joseph
2020年11月19日 03:50
tungsten ball
is an amazing invention
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tungsten ball is an amazing invention
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