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发明名称
AMMONIUM SULPHATE PRODUCING APPARATUS
摘要
申请公布号
CA336145(A)
申请公布日期
1933.10.03
申请号
CAD336145
申请日期
申请人
THE KOPPERS COMPANY
发明人
FREDERICK WILLIAM SPERR, JR.
分类号
主分类号
代理机构
代理人
主权项
地址
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