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发明名称
Means of promoting chemical reactions
摘要
申请公布号
US1834693(A)
申请公布日期
1931.12.01
申请号
US19270198097
申请日期
1927.06.11
申请人
HERMANN FRISCHER
发明人
FRISCHER HERMANN
分类号
B01J2/30
主分类号
B01J2/30
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