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发明名称
MUDDY-WATER PRESSURE SHIELD EXCAVATOR
摘要
申请公布号
JPS5844195(A)
申请公布日期
1983.03.15
申请号
JP19810142126
申请日期
1981.09.08
申请人
HITACHI KENKI KK;TOBISHIMA KENSETSU KK
发明人
TAMURA KATSUMI;FUKAMATSU SHIROU;SHIOSAKI MINORU;MIWA TADASHI
分类号
E21D9/08
主分类号
E21D9/08
代理机构
代理人
主权项
地址
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