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经营范围
发明名称
Anhydrous formic acid solutions of polypyrrolidone
摘要
申请公布号
US2711398(A)
申请公布日期
1955.06.21
申请号
US19530338553
申请日期
1953.02.24
申请人
ARNOLD, HOFFMAN & CO., INCORPORATED
发明人
BARNES CARL E.;JR. WILLIAM O. NEY,;NUMMY WILLIAM R.
分类号
C08J3/09
主分类号
C08J3/09
代理机构
代理人
主权项
地址
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