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Composition of matter and process therefor
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Beschichtung auf der basis von lignin
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1987-06-11
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폐피혁을 이용한 산업제품 용 반물질의 제조방법 및 산업제품 제조용 반물질
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Amos herbert iiobson
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1940-01-09
Finishing leather
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1900-07-10
Process of making tobacco-brown wrapping-paper.
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Gel intermediate
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动植物纤维共混还原铬鞣剂及其制备方法
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Process of treating waste sulfite liquor and compound obtained therefrom
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Process of treating waste sulphite liquor and compound obtained therefrom
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1923-03-27
Sizing composition and process of preparing the same
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Process of making rubber-like material
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Process of solidifying and toughening oils.
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一种用于无纺布的纤维素纤维及制备方法
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Procédé de préparation de résines de dicyanodiamide et de formaldéhyde stables en solution
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