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经营范围
发明名称
Improvements in or relating to automatic grid making machines
摘要
申请公布号
GB710409(A)
申请公布日期
1954.06.09
申请号
GB19480022566
申请日期
1948.08.26
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
分类号
H01J19/00
主分类号
H01J19/00
代理机构
代理人
主权项
地址
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