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经营范围
发明名称
Tumbling barrel liner
摘要
申请公布号
US2384170(A)
申请公布日期
1945.09.04
申请号
US19440562099
申请日期
1944.11.06
申请人
CROWN RHEOSTAT & SUPPLY CO.
发明人
HUENERFAUTH GEORGE E.;GREEN FRED P.
分类号
B24B31/00
主分类号
B24B31/00
代理机构
代理人
主权项
地址
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