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经营范围
发明名称
Liquefied gas extractor
摘要
申请公布号
US2440738(A)
申请公布日期
1948.05.04
申请号
US19450611278
申请日期
1945.08.18
申请人
发明人
COOPER HOWELL C.
分类号
F17C9/00
主分类号
F17C9/00
代理机构
代理人
主权项
地址
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