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1.发明授权Process for obtaining valuable products from coal and other carbonaceous materials and improved apparatus for such a process 失效从煤和其他碳质材料中获得有价值的产品的方法和改进这种工艺的装置
公开(公告)号：US1934023A
公开(公告)日：1933-11-07
申请号：US45263130
申请日：1930-05-15
Applicant: STANDARD IG CO
Inventor： WRIGHT CLARENCE A
IPC: B01J35/02
CPC classification number: B01J35/02
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