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发明名称
DREDGING METHOD USING HYDRAULIC POWER SHOVEL WATER INJECTION PRESSURE AIR MIXING PUMP
摘要
申请公布号
JPS56159437(A)
申请公布日期
1981.12.08
申请号
JP19800062336
申请日期
1980.05.13
申请人
TAKAMURA SHIGEO
发明人
TAKAMURA SHIGEO
分类号
E02F3/40;E02F3/30;E02F3/88
主分类号
E02F3/40
代理机构
代理人
主权项
地址
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