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发明名称
Filing tool
摘要
申请公布号
US2622310(A)
申请公布日期
1952.12.23
申请号
US19480034275
申请日期
1948.06.21
申请人
FIBRA A. G.
发明人
LUCHSINGER ERNST
分类号
B23D71/00
主分类号
B23D71/00
代理机构
代理人
主权项
地址
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