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发明名称
Long draft apparatus
摘要
申请公布号
US2203423(A)
申请公布日期
1940.06.04
申请号
US19380223242
申请日期
1938.08.05
申请人
H & B AMERICAN MACHINE COMPANY
发明人
WALSH CHRISTOPHER;WALSH SAMUEL RUSHTON
分类号
D01H5/72
主分类号
D01H5/72
代理机构
代理人
主权项
地址
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