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发明名称
Geothermal energy recovery apparatus
摘要
申请公布号
US4776169(A)
申请公布日期
1988.10.11
申请号
US19880151824
申请日期
1988.02.03
申请人
COLES, JR., OTIS C.
发明人
COLES, JR., OTIS C.
分类号
F03G4/02;F03G7/04;(IPC1-7):F03G7/00
主分类号
F03G4/02
代理机构
代理人
主权项
地址
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