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经营范围
发明名称
Manufacture of leather
摘要
申请公布号
US1941485(A)
申请公布日期
1934.01.02
申请号
US19310553884
申请日期
1931.07.29
申请人
CHARLES PFIZER & COMPANY
发明人
PASTERNACK RICHARD;CRAGWALL GORDON O.
分类号
C14C3/04
主分类号
C14C3/04
代理机构
代理人
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