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公开(公告)号:US1838572A
公开(公告)日:1931-12-29
申请号:US37065529
申请日:1929-06-13
Applicant: CHAMPION FIBRE COMPANY
Inventor: ROBERTSON REUBEN B
IPC: C25B9/08
CPC classification number: C25B9/08
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2.Interrelated extracting and pulp-forming process and apparatus therefor 失效
Title translation: 相关提取和造纸过程及其设备公开(公告)号:US1844600A
公开(公告)日:1932-02-09
申请号:US35835229
申请日:1929-04-26
Applicant: CHAMPION FIBRE COMPANY
Inventor: ROBERTSON REUBEN B
IPC: D21C3/22
CPC classification number: D21C3/22
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