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发明名称
Follower ring for heat exchanger dome plates
摘要
申请公布号
US2343502(A)
申请公布日期
1944.03.07
申请号
US19420461773
申请日期
1942.10.12
申请人
FIELDS DAVID E
发明人
FIELDS DAVID E.
分类号
F16J13/02;F22D1/16;F28F9/02
主分类号
F16J13/02
代理机构
代理人
主权项
地址
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