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发明名称
Device for the manufacture of shells for the shell moulding method
摘要
申请公布号
US2962774(A)
申请公布日期
1960.12.06
申请号
US19570667512
申请日期
1957.06.24
申请人
HOEKSTRA JACOB S;VERSCHURE HENRICUS J M
发明人
HOEKSTRA JACOB S.;VERSCHURE HENRICUS J. M.
分类号
B22C23/00
主分类号
B22C23/00
代理机构
代理人
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地址
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