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经营范围
发明名称
Frangible mold
摘要
申请公布号
US3020608(A)
申请公布日期
1962.02.13
申请号
US19590826710
申请日期
1959.07.13
申请人
ERICO PRODUCTS, INC.
发明人
GELFAND LEONARD
分类号
B22D19/04
主分类号
B22D19/04
代理机构
代理人
主权项
地址
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