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经营范围
发明名称
Improvements in or relating to apparatus for surfacing sheets of zinc or copper
摘要
申请公布号
GB492813(A)
申请公布日期
1938.09.28
申请号
GB19370009654
申请日期
1937.04.05
申请人
THOMAS JEROME MASSE
发明人
分类号
B23B3/22
主分类号
B23B3/22
代理机构
代理人
主权项
地址
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