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经营范围
发明名称
Temperature control
摘要
申请公布号
US1974992(A)
申请公布日期
1934.09.25
申请号
US19310543639
申请日期
1931.06.11
申请人
STANDARD OIL COMPANY
发明人
MUSSELMAN AMOS S.
分类号
B01D3/42
主分类号
B01D3/42
代理机构
代理人
主权项
地址
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