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发明名称
Apparatus for drawing vitreous tubes and rods
摘要
申请公布号
US2653418(A)
申请公布日期
1953.09.29
申请号
US19490121206
申请日期
1949.10.13
申请人
GENERAL ELECTRIC COMPANY
发明人
SHAW BERNARD
分类号
C03B23/047
主分类号
C03B23/047
代理机构
代理人
主权项
地址
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