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经营范围
发明名称
Improvements in structural materials
摘要
申请公布号
GB555409(A)
申请公布日期
1943.08.23
申请号
GB19410016749
申请日期
1941.12.29
申请人
EDWARD REEVE ANGEL
发明人
分类号
D21J1/16
主分类号
D21J1/16
代理机构
代理人
主权项
地址
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