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经营范围
发明名称
SHIELD EXCAVATOR
摘要
申请公布号
JPS5841197(A)
申请公布日期
1983.03.10
申请号
JP19810139954
申请日期
1981.09.04
申请人
HITACHI KENKI KK
发明人
MIZUTANI TSUTOMU;WAKAMORI TOSHIROU
分类号
E21D9/087;E21D9/08
主分类号
E21D9/087
代理机构
代理人
主权项
地址
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