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发明名称
Method of preparing solutions of solid vulcanized oils
摘要
申请公布号
US2523446(A)
申请公布日期
1950.09.26
申请号
US19470720475
申请日期
1947.01.06
申请人
WERNER POSNANSKY KARL
发明人
POSNANSKY KARL WERNER
分类号
主分类号
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