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发明名称
Tool
摘要
申请公布号
US1750121(A)
申请公布日期
1930.03.11
申请号
US19270214015
申请日期
1927.08.19
申请人
LEON OTTINGER
发明人
OTTINGER LEON
分类号
B21D39/03
主分类号
B21D39/03
代理机构
代理人
主权项
地址
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