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发明名称
Spring-nesting mechanism for coiling machines
摘要
申请公布号
US1791257(A)
申请公布日期
1931.02.03
申请号
US19290337758
申请日期
1929.02.06
申请人
L. A. YOUNG SPRING AND WIRE CORPORATION
发明人
ZILER CORBAN H.
分类号
B21F3/00
主分类号
B21F3/00
代理机构
代理人
主权项
地址
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