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发明名称
A method of and apparatus for drawing glass tubes
摘要
申请公布号
GB354509(A)
申请公布日期
1931.08.13
申请号
GB19300020111
申请日期
1930.07.02
申请人
CORNING GLASS WORKS
发明人
分类号
C03B15/16
主分类号
C03B15/16
代理机构
代理人
主权项
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