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发明名称
DEVICE OF STOPPING WATER BY MEANS OF BUOYANCY BY RISE OF WATER SURFACE AND WATER PRESSURE OF WATER SERVICE
摘要
申请公布号
JPS5297434(A)
申请公布日期
1977.08.16
申请号
JP19760014605
申请日期
1976.02.12
申请人
NAKAMURA SHIGETAROU
发明人
NAKAMURA SHIGETAROU
分类号
F16K31/26
主分类号
F16K31/26
代理机构
代理人
主权项
地址
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