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发明名称
Dolly
摘要
申请公布号
US1746076(A)
申请公布日期
1930.02.04
申请号
US19280275219
申请日期
1928.05.04
申请人
WILLIAM FERGUSON
发明人
FERGUSON WILLIAM
分类号
B21D1/06
主分类号
B21D1/06
代理机构
代理人
主权项
地址
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