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经营范围
发明名称
Mold
摘要
申请公布号
US1834290(A)
申请公布日期
1931.12.01
申请号
US19280290822
申请日期
1928.07.06
申请人
ROBE WALTEN B
发明人
ROBE WALTEN B.
分类号
B22C9/00
主分类号
B22C9/00
代理机构
代理人
主权项
地址
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