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发明名称
Apparatus for automatically bending work such as tubing into serpentine coils
摘要
申请公布号
US2453868(A)
申请公布日期
1948.11.16
申请号
US19470729808
申请日期
1947.02.20
申请人
PEDRICK TOOL & MACHINE COMPANY
发明人
JR. RALPH M. SHAW,
分类号
B21D11/07
主分类号
B21D11/07
代理机构
代理人
主权项
地址
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