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发明名称
Two-stage holding magnet for presses and the like
摘要
申请公布号
US2992580(A)
申请公布日期
1961.07.18
申请号
US19560604507
申请日期
1956.08.16
申请人
MACHINE TOOL ELECTRIC CORPORATION
发明人
STOLK WILLIAM;JR. EDWARD E. JUDGE,
分类号
B21D45/00;B23Q3/154
主分类号
B21D45/00
代理机构
代理人
主权项
地址
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