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发明名称
Method for elevating granular material
摘要
申请公布号
US2699363(A)
申请公布日期
1955.01.11
申请号
US19500168818
申请日期
1950.06.17
申请人
HOUDRY PROCESS CORPORATION
发明人
WEINRICH WILLIAM W.
分类号
B01J8/00;B65G53/12
主分类号
B01J8/00
代理机构
代理人
主权项
地址
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