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发明名称
PRODUCTION OF COLLAPSIBLE SAND CORE
摘要
申请公布号
JPH0647489(A)
申请公布日期
1994.02.22
申请号
JP19920245408
申请日期
1992.07.31
申请人
UBE IND LTD
发明人
KOYA MORIE;KAWAMURA NOBUYUKI
分类号
B22C1/22;B22C9/10;(IPC1-7):B22C9/10
主分类号
B22C1/22
代理机构
代理人
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