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经营范围
发明名称
Vacuum apparatus
摘要
申请公布号
US2406017(A)
申请公布日期
1946.08.20
申请号
US19450588750
申请日期
1945.04.17
申请人
DISTILLATION PRODUCTS, INC.
发明人
HICKMAN KENNETH C. D.
分类号
F04F5/08;F04F5/46
主分类号
F04F5/08
代理机构
代理人
主权项
地址
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