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发明名称
PIPELINE TRANSPORTATION OF SOLIDS
摘要
申请公布号
CA542510(A)
申请公布日期
1957.06.18
申请号
CAD542510
申请日期
申请人
PITTSBURGH CONSOLIDATED COAL COMPANY
发明人
ERIC H. REICHL;SAM A. JONES
分类号
主分类号
代理机构
代理人
主权项
地址
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