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发明名称
Machine for the manufacture of expanded metal
摘要
申请公布号
US2322204(A)
申请公布日期
1943.06.22
申请号
US19420445276
申请日期
1942.06.01
申请人
UNITED STATES GYPSUM COMPANY
发明人
BALLARD BERNARD T.
分类号
B21D31/04
主分类号
B21D31/04
代理机构
代理人
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