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发明名称
Method of making model duplicates
摘要
申请公布号
US2460242(A)
申请公布日期
1949.01.25
申请号
US19460714591
申请日期
1946.12.06
申请人
RENAUD PLASTICS, INC.
发明人
RENAUD HAROLD E.
分类号
B22C7/00
主分类号
B22C7/00
代理机构
代理人
主权项
地址
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