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经营范围
发明名称
SEWAGE SLUDGE PROCESSING
摘要
申请公布号
CA358692(A)
申请公布日期
1936.06.23
申请号
CAD358692
申请日期
申请人
THE UNDERPINNING AND FOUNDATION COMPANY
发明人
WILLIAM RAISCH
分类号
主分类号
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代理人
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