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经营范围
发明名称
TWOOSTAGE WATER GATE
摘要
申请公布号
JPS5598516(A)
申请公布日期
1980.07.26
申请号
JP19790003359
申请日期
1979.01.18
申请人
MITSUI SHIPBUILDING ENG
发明人
KATOU AKIYOSHI;NAGARA HIROTOSHI
分类号
E02B7/26;F02B3/06;F02D41/08;F02D41/38
主分类号
E02B7/26
代理机构
代理人
主权项
地址
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