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发明名称
Pipe mold
摘要
申请公布号
US2559296(A)
申请公布日期
1951.07.03
申请号
US19470755332
申请日期
1947.06.19
申请人
AUGUSTUS HANSEN
发明人
HANSEN AUGUSTUS
分类号
B28B21/76
主分类号
B28B21/76
代理机构
代理人
主权项
地址
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