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发明名称
Spring spreading tool
摘要
申请公布号
US1881050(A)
申请公布日期
1932.10.04
申请号
US19310523267
申请日期
1931.03.17
申请人
WILLIAM R. SEESE
发明人
GRANT IRA O.
分类号
B25B27/30
主分类号
B25B27/30
代理机构
代理人
主权项
地址
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