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发明名称
Wire drawing die
摘要
申请公布号
US1935821(A)
申请公布日期
1933.11.21
申请号
US19290396657
申请日期
1929.10.02
申请人
MORRIS SIMONS
发明人
SIMONS MORRIS
分类号
B21C3/12
主分类号
B21C3/12
代理机构
代理人
主权项
地址
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