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发明名称
Substance preparation and article of manufacture
摘要
申请公布号
US2023511(A)
申请公布日期
1935.12.10
申请号
US19310550633
申请日期
1931.07.13
申请人
BROSIUS EDGAR E
发明人
BROSIUS EDGAR E.
分类号
C21B3/06
主分类号
C21B3/06
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