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发明名称
Improvements in and relating to permanent magnets
摘要
申请公布号
GB454406(A)
申请公布日期
1936.09.30
申请号
GB19360000136
申请日期
1936.01.02
申请人
MARRISON & CATHERALL LIMITED;ALFRED CYRIL CATHERALL
发明人
分类号
主分类号
代理机构
代理人
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地址
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