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发明名称
Method and apparatus for manufacturing barbed wire
摘要
申请公布号
US2203068(A)
申请公布日期
1940.06.04
申请号
US19370143605
申请日期
1937.05.19
申请人
FELTEN & GUILEAUME CARLSWERK EISEN & STAHL A. G.
发明人
THIEMER HANS
分类号
B21F25/00
主分类号
B21F25/00
代理机构
代理人
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地址
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