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经营范围
发明名称
Treated leather and process of preparing
摘要
申请公布号
US2217762(A)
申请公布日期
1940.10.15
申请号
US19370158019
申请日期
1937.08.09
申请人
B. B. CHEMICAL CO.
发明人
MCGILL JOHN H.;WEDGER WALTER H.
分类号
C14C9/00
主分类号
C14C9/00
代理机构
代理人
主权项
地址
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