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发明名称
Shell mold structures and processes and compositions for forming the same
摘要
申请公布号
US2790218(A)
申请公布日期
1957.04.30
申请号
US19540440056
申请日期
1954.06.29
申请人
MERCAST CORPORATION
发明人
KOHL EVERARD F.;KAZENAS ZENON
分类号
B22C1/16;B22C9/04
主分类号
B22C1/16
代理机构
代理人
主权项
地址
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