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经营范围
发明名称
Manufacture and extraction of nitrogenous products from products of animal origin
摘要
申请公布号
US1858362(A)
申请公布日期
1932.05.17
申请号
US19240724540
申请日期
1924.07.05
申请人
MAURICE KAHN
发明人
KAHN MAURICE
分类号
C05F1/00
主分类号
C05F1/00
代理机构
代理人
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地址
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