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发明名称
Tool
摘要
申请公布号
US1880940(A)
申请公布日期
1932.10.04
申请号
US19310531761
申请日期
1931.04.21
申请人
DIRK ENNINGA
发明人
ENNINGA DIRK
分类号
B23K3/03
主分类号
B23K3/03
代理机构
代理人
主权项
地址
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