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发明名称
TUBE BENDING MANDREL
摘要
申请公布号
US3455142(A)
申请公布日期
1969.07.15
申请号
USD3455142
申请日期
1965.08.12
申请人
TOOLS FOR BENDING INC.
发明人
CHARLES H. ROBERTS
分类号
B21D9/03;F16C11/06;(IPC1-7):B21B25/00
主分类号
B21D9/03
代理机构
代理人
主权项
地址
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