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经营范围
发明名称
Improvements in or relating to beam compasses
摘要
申请公布号
GB757796(A)
申请公布日期
1956.09.26
申请号
GB19530010364
申请日期
1953.04.15
申请人
HAROLD SIMPSON WEST
发明人
分类号
B43L9/04
主分类号
B43L9/04
代理机构
代理人
主权项
地址
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