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发明名称
UNDERGROUND HEAT EXCHANGER
摘要
申请公布号
JPS61247321(A)
申请公布日期
1986.11.04
申请号
JP19850088643
申请日期
1985.04.26
申请人
HITACHI LTD
发明人
ABE KAZUHIKO
分类号
F28D20/00;A01G9/24
主分类号
F28D20/00
代理机构
代理人
主权项
地址
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