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发明名称
Method of separating gases by freezing
摘要
申请公布号
US2062537(A)
申请公布日期
1936.12.01
申请号
US19340724697
申请日期
1934.05.09
申请人
TWOMEY LEE S
发明人
TWOMEY LEE S.
分类号
F25J3/08
主分类号
F25J3/08
代理机构
代理人
主权项
地址
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