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经营范围
发明名称
Spring construction
摘要
申请公布号
US2040656(A)
申请公布日期
1936.05.12
申请号
US19340751681
申请日期
1934.11.06
申请人
BUNTING GLIDER COMPANY
发明人
KIRSTEIN JACOB
分类号
A47C23/053
主分类号
A47C23/053
代理机构
代理人
主权项
地址
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