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经营范围
发明名称
Dust seal for gyratory crushers
摘要
申请公布号
US2134885(A)
申请公布日期
1938.11.01
申请号
US19340741404
申请日期
1934.08.25
申请人
ALLIS-CHALMERS MANUFACTURING COMPANY
发明人
NEWHOUSE RAY C.;WEIN GEORGE F. DE
分类号
B02C2/06
主分类号
B02C2/06
代理机构
代理人
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