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发明名称
Runway for pipes
摘要
申请公布号
US1890498(A)
申请公布日期
1932.12.13
申请号
US19310541650
申请日期
1931.06.02
申请人
UNITED STATES PIPE AND FOUNDRY COMPANY
发明人
DANIEL ROBERT EARL;HAUGHTON RICHARD K.;CLARK STUART B.
分类号
B22D13/02
主分类号
B22D13/02
代理机构
代理人
主权项
地址
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