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经营范围
发明名称
PRESSURE RETAINED SHIELDING EXCAVATOR
摘要
申请公布号
JPS5428423(A)
申请公布日期
1979.03.03
申请号
JP19770094444
申请日期
1977.08.05
申请人
HITACHI SHIPBUILDING ENG CO
发明人
YOSHIKAWA TADAO;HIRATA SHIYOUZOU;IMAI KENJI;ASADA KENJI
分类号
B65G33/14;E21D9/08;E21D9/12
主分类号
B65G33/14
代理机构
代理人
主权项
地址
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