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经营范围
发明名称
Improvements in or relating to last holders
摘要
申请公布号
GB620579(A)
申请公布日期
1949.03.28
申请号
GB19450032349
申请日期
1945.11.30
申请人
GILBERT THOMAS BELL
发明人
分类号
A43D117/00
主分类号
A43D117/00
代理机构
代理人
主权项
地址
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