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经营范围
发明名称
Improvements in or relating to electric harmonic generators
摘要
申请公布号
GB643523(A)
申请公布日期
1950.09.20
申请号
GB19470033287
申请日期
1947.12.17
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
BAKKER WILLEM KAREL
分类号
B65H20/20;H03K5/00
主分类号
B65H20/20
代理机构
代理人
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地址
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