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经营范围
发明名称
Quaternary salts
摘要
申请公布号
US2653166(A)
申请公布日期
1953.09.22
申请号
US19490123523
申请日期
1949.10.25
申请人
THE CHEMSTRAND CORPORATION
发明人
MOWRY DAVID T.;RINGWALD EUGENE L.
分类号
主分类号
代理机构
代理人
主权项
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