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经营范围
发明名称
Closed condensate return and boiler feed system
摘要
申请公布号
US2931344(A)
申请公布日期
1960.04.05
申请号
US19560614002
申请日期
1956.10.04
申请人
FAR WESTERN CHEMICAL CO., INC.
发明人
STIERS VERN E.
分类号
F22D11/06
主分类号
F22D11/06
代理机构
代理人
主权项
地址
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