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经营范围
发明名称
An improvement in or relating to plank swings
摘要
申请公布号
GB406095(A)
申请公布日期
1934.02.22
申请号
GB19320032245
申请日期
1932.11.15
申请人
B. HIRST & SONS, LIMITED;CLEMENT HIRST
发明人
分类号
A63G9/16
主分类号
A63G9/16
代理机构
代理人
主权项
地址
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