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经营范围
发明名称
Foundry moulds and cores
摘要
申请公布号
USRE32720(E)
申请公布日期
1988.07.26
申请号
US19860900618
申请日期
1986.08.26
申请人
发明人
分类号
B22C1/22;C08G8/28;C08G16/02;C08K5/54
主分类号
B22C1/22
代理机构
代理人
主权项
地址
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