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1.Method of simultaneously mining and washing clay, kaolin, &c. 失效
Title translation: 同时采矿和洗涤粘土的方法,KAOLIN&C。公开(公告)号:US823749A
公开(公告)日:1906-06-19
申请号:US1905252548
申请日:1905-03-28
Applicant: THOMAS SKELTON HARRISON , WANNER MARTIN
Inventor: WANNER MARTIN
IPC: E21B43/29
CPC classification number: E21B43/29
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公开(公告)号:US633297A
公开(公告)日:1899-09-19
申请号:US1898683001
申请日:1898-06-09
Applicant: WANNER MARTIN
Inventor: WANNER MARTIN
CPC classification number: B65D41/0428
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