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发明名称
Machine for manufacturing sized sheets of flattened expanded metal
摘要
申请公布号
US2121470(A)
申请公布日期
1938.06.21
申请号
US19360102320
申请日期
1936.09.24
申请人
UNITED STATES GYPSUM COMPANY
发明人
BALLARD BERNARD T.;MCNEIL WILLIAM M.;HURD RALPH H.
分类号
B21D31/04
主分类号
B21D31/04
代理机构
代理人
主权项
地址
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