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发明名称
Method of forming nozzles
摘要
申请公布号
US1853556(A)
申请公布日期
1932.04.12
申请号
US19290355720
申请日期
1929.04.17
申请人
FAIRWEATHER CHARLES B
发明人
FAIRWEATHER CHARLES B.
分类号
B21D51/42
主分类号
B21D51/42
代理机构
代理人
主权项
地址
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