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经营范围
发明名称
Method of producing an accurate rotational outside surface on a glass tube
摘要
申请公布号
GB636510(A)
申请公布日期
1950.05.03
申请号
GB19470034586
申请日期
1947.12.30
申请人
OTTO WICHTERLE
发明人
分类号
C03B23/053
主分类号
C03B23/053
代理机构
代理人
主权项
地址
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