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经营范围
发明名称
Multiple permanent mold
摘要
申请公布号
US1886084(A)
申请公布日期
1932.11.01
申请号
US19290389516
申请日期
1929.08.30
申请人
IRONS CLAWSON ANNA
发明人
CLAWSON ANNA IRONS
分类号
B22D25/04
主分类号
B22D25/04
代理机构
代理人
主权项
地址
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