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发明名称
Apparatus for producing ammonium sulfate crystals
摘要
申请公布号
US2795487(A)
申请公布日期
1957.06.11
申请号
US19540407666
申请日期
1954.02.02
申请人
CARL OTTO
发明人
OTTO CARL
分类号
C01C1/242
主分类号
C01C1/242
代理机构
代理人
主权项
地址
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