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经营范围
发明名称
Improved trestle
摘要
申请公布号
GB762839(A)
申请公布日期
1956.12.05
申请号
GB19540035727
申请日期
1954.12.09
申请人
KEITH HALLIWELL
发明人
分类号
B25H1/06
主分类号
B25H1/06
代理机构
代理人
主权项
地址
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