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发明名称
ANNULUS PRESSURE CONTROL DEVICE
摘要
申请公布号
JPS58158589(A)
申请公布日期
1983.09.20
申请号
JP19820040177
申请日期
1982.03.16
申请人
TOKYO SHIBAURA DENKI KK;TOUSHIBA ENGINEERING KK
发明人
SASAKI SATORU;MIYAHARA HITOSHI
分类号
G21C13/00;G05D16/00
主分类号
G21C13/00
代理机构
代理人
主权项
地址
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