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发明名称
Spring contracting tool
摘要
申请公布号
US1838598(A)
申请公布日期
1931.12.29
申请号
US19300475023
申请日期
1930.08.13
申请人
FREDERICK WEICK
发明人
WEICK FREDERICK
分类号
B25B27/26
主分类号
B25B27/26
代理机构
代理人
主权项
地址
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