发明授权
US09260795B2 Closure for silica glass crucible, silica glass crucible and method of handling the same 有权
二氧化硅玻璃坩埚,二氧化硅玻璃坩埚的封闭及其处理方法

Closure for silica glass crucible, silica glass crucible and method of handling the same
摘要:
A closure for silica glass crucible to be mounted on an opening portion of a silica glass crucible is provided with a peripheral edge mounting portion closely adhered to an inner peripheral end of the opening portion.
信息查询
0/0