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发明名称
METHOD AND DEVICE FOR PRECOOLING CRYOGENIC REFRIGERATOR
摘要
申请公布号
JPH01150757(A)
申请公布日期
1989.06.13
申请号
JP19870307541
申请日期
1987.12.07
申请人
HITACHI LTD
发明人
KAJIWARA HIROTAKE;MATSUMOTO KOZO;KAWAMURA SHIGETO
分类号
F25B9/02;F25B9/00
主分类号
F25B9/02
代理机构
代理人
主权项
地址
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