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经营范围
发明名称
Rolling extruder
摘要
申请公布号
US2290752(A)
申请公布日期
1942.07.21
申请号
US19390290322
申请日期
1939.08.15
申请人
PROCTOR & SCHWARTZ, INCORPORATED
发明人
HURXTHAL FREDERICK E.;FRANKLIN JOHN J.
分类号
B30B11/22;F26B25/00
主分类号
B30B11/22
代理机构
代理人
主权项
地址
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