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发明名称
Laminated-ring and multiple internal-roll mill
摘要
申请公布号
US2644643(A)
申请公布日期
1953.07.07
申请号
US19490088412
申请日期
1949.04.19
申请人
FOSTER WHEELER CORPORATION
发明人
FRISCH MARTIN;JR. GILBERT C. WHITNEY,
分类号
B02C15/00;B02C15/06
主分类号
B02C15/00
代理机构
代理人
主权项
地址
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