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发明名称
Process of preparing tanning material and by-products derived therefrom
摘要
申请公布号
US2178874(A)
申请公布日期
1939.11.07
申请号
US19370141127
申请日期
1937.05.06
申请人
ARTHUR D. LITTLE, INCORPORATED
发明人
HERVEY LAURENCE R. B.
分类号
C14C3/06
主分类号
C14C3/06
代理机构
代理人
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