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经营范围
发明名称
SHIELDED EXCAVATION MACHINE
摘要
申请公布号
JPS5552500(A)
申请公布日期
1980.04.16
申请号
JP19780125504
申请日期
1978.10.12
申请人
NIPPON TELEGRAPH & TELEPHONE
发明人
HOSHINA HIROSHI;KATAGIRI TOSHIAKI
分类号
E21D9/087;E21D9/06;E21D9/12
主分类号
E21D9/087
代理机构
代理人
主权项
地址
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