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发明名称
摘要
申请公布号
JPH0343439(B2)
申请公布日期
1991.07.02
申请号
JP19820147707
申请日期
1982.08.27
申请人
TAISEI CORP
发明人
NANBU KUNIHIKO;SHIMIZU NOBUYOSHI;HIRACHI MASANORI
分类号
E21D9/12;E21D9/06
主分类号
E21D9/12
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