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发明名称
Liquefier screw cover
摘要
申请公布号
US1961298(A)
申请公布日期
1934.06.05
申请号
US19330685128
申请日期
1933.08.14
申请人
CO2 APPLIANCE COMPANY
发明人
LUNDY THOMAS F.
分类号
C01B31/20;F17C13/06
主分类号
C01B31/20
代理机构
代理人
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