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发明名称
Wire feeding device
摘要
申请公布号
US1842554(A)
申请公布日期
1932.01.26
申请号
US19300425809
申请日期
1930.02.04
申请人
AMERICAN WINDOW SHADE MACHINE CO. INC.
发明人
MATHEWSON WILFRED B.
分类号
B21F99/00
主分类号
B21F99/00
代理机构
代理人
主权项
地址
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