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发明名称
Wire feed mechanism
摘要
申请公布号
US2199241(A)
申请公布日期
1940.04.30
申请号
US19380225474
申请日期
1938.08.17
申请人
HOFFERT ROY G
发明人
HOFFERT ROY G.
分类号
B65H51/10
主分类号
B65H51/10
代理机构
代理人
主权项
地址
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