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发明名称
Work holder for hollow radially expansible materials
摘要
申请公布号
US2541078(A)
申请公布日期
1951.02.13
申请号
US19480049195
申请日期
1948.09.14
申请人
ARMSTRONG CORK COMPANY
发明人
LESCALLETTE RICHARD F.
分类号
B23B31/40
主分类号
B23B31/40
代理机构
代理人
主权项
地址
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