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经营范围
发明名称
Lump breaking apparatus
摘要
申请公布号
US2240535(A)
申请公布日期
1941.05.06
申请号
US19380240251
申请日期
1938.11.14
申请人
UNITED IRON WORKS COMPANY
发明人
STRAWN WILBERT L.
分类号
B02C1/12
主分类号
B02C1/12
代理机构
代理人
主权项
地址
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