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发明名称
PURIFICATION AND CIRCULATION OF GAS
摘要
申请公布号
JPS57177016(A)
申请公布日期
1982.10.30
申请号
JP19810061342
申请日期
1981.04.24
申请人
HITACHI SEISAKUSHO KK
发明人
YOKOYAMA HIROSHI;HISAIE TOSHIO;NOKITA SHIYUNSUKE
分类号
C08G63/00;C08G63/78
主分类号
C08G63/00
代理机构
代理人
主权项
地址
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