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发明名称
OPEN SHIELD METHOD
摘要
申请公布号
JPH0339521(A)
申请公布日期
1991.02.20
申请号
JP19890172484
申请日期
1989.07.04
申请人
UEMURA KOICHI;UEMURA MAKOTO
发明人
UEMURA KOICHI;UEMURA MAKOTO
分类号
E02D17/08;E21D9/06
主分类号
E02D17/08
代理机构
代理人
主权项
地址
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