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经营范围
发明名称
Leather tanning and finishing
摘要
申请公布号
US2303209(A)
申请公布日期
1942.11.24
申请号
US19410381843
申请日期
1941.03.05
申请人
AMERICAN CYANAMID COMPANY
发明人
GRIM JOHN MARSHALL
分类号
C14C3/20;C14C9/04
主分类号
C14C3/20
代理机构
代理人
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地址
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