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发明名称
Spring roller
摘要
申请公布号
US1938729(A)
申请公布日期
1933.12.12
申请号
US19280315694
申请日期
1928.10.29
申请人
THE HIGGIN MANUFACTURING COMPANY
发明人
TRAUT CLIFFORD
分类号
E06B9/44;E06B9/60
主分类号
E06B9/44
代理机构
代理人
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地址
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