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发明名称
Clamping device
摘要
申请公布号
US2980149(A)
申请公布日期
1961.04.18
申请号
US19570698742
申请日期
1957.11.25
申请人
WALTER SPUHL
发明人
SPUHL WALTER
分类号
B21F33/04
主分类号
B21F33/04
代理机构
代理人
主权项
地址
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