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经营范围
发明名称
Defeathering compound
摘要
申请公布号
US2142938(A)
申请公布日期
1939.01.03
申请号
US19370119624
申请日期
1937.01.08
申请人
CHARLES V. ROSENBERGER
发明人
DIPPEL HARRY W.
分类号
A22C21/04
主分类号
A22C21/04
代理机构
代理人
主权项
地址
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