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发明名称
Method of manufacturing lead tapes
摘要
申请公布号
US1895331(A)
申请公布日期
1933.01.24
申请号
US19300467344
申请日期
1930.07.11
申请人
WILLIAMSON KELLY HUGH
发明人
KELLY HUGH WILLIAMSON
分类号
B21C33/00
主分类号
B21C33/00
代理机构
代理人
主权项
地址
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