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发明名称
APPARATUS FOR AND METHOD OF NECKING IN END PORTIONS OF TUBULAR MEMBERS
摘要
申请公布号
US3581542(A)
申请公布日期
1971.06.01
申请号
USD3581542
申请日期
1969.02.03
申请人
CONTINENTAL CAN CO. INC.
发明人
RICHARD O. WAHLER;ALBERT J. HOLK
分类号
B21D41/04;B21D51/26
主分类号
B21D41/04
代理机构
代理人
主权项
地址
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