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发明名称
METHOD OF SHIELD CONSTRUCTION AND ITS DEVICE
摘要
申请公布号
JPS5330133(A)
申请公布日期
1978.03.22
申请号
JP19760104220
申请日期
1976.09.02
申请人
DAIMEI DENWA KOUGIYOU KK
发明人
SUGITA AKIRA;KAJIWARA MASAAKI
分类号
E21D9/06;E21D11/00
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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