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经营范围
发明名称
High vacuum
摘要
申请公布号
US2147488(A)
申请公布日期
1939.02.14
申请号
US19360107256
申请日期
1936.10.23
申请人
DISTILLATION PRODUCTS, INC.
发明人
HICKMAN KENNETH C. D.;BAXTER JAMES G.
分类号
C09K3/00
主分类号
C09K3/00
代理机构
代理人
主权项
地址
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