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发明名称
THE CREATION OF ELECTROMAGNETIC PROPERTIES IN MATERIALS USING THE HELIX SHAPE
摘要
申请公布号
GB9118536(D0)
申请公布日期
1991.10.16
申请号
GB19910018536
申请日期
1991.08.29
申请人
MACLEAN JOHN K.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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