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发明名称
APPARATUS AND METHOD FOR LET DOWN OF A HIGH PRESSU
摘要
申请公布号
AU8087382(A)
申请公布日期
1983.03.17
申请号
AU19820080873
申请日期
1981.12.28
申请人
THE PITTSBURG & MIDWAY COAL MINING CO.
发明人
ACKERMAN, C.D.
分类号
F17D1/16
主分类号
F17D1/16
代理机构
代理人
主权项
地址
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