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发明名称
Die
摘要
申请公布号
US2245608(A)
申请公布日期
1941.06.17
申请号
US19380246645
申请日期
1938.12.19
申请人
ROGERS GEORGE D
发明人
ROGERS GEORGE D.
分类号
B30B11/22
主分类号
B30B11/22
代理机构
代理人
主权项
地址
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