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发明名称
WIDTH ENLARGING CONSTRUCTION METHOD OF TUNNEL
摘要
申请公布号
JPS6065897(A)
申请公布日期
1985.04.15
申请号
JP19830175878
申请日期
1983.09.22
申请人
KAJIMA KENSETSU KK
发明人
SUYAMA YOSHIMASA
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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