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发明名称
PORTABLE SCAFFOLDING IN UPPER HALF SECTION RING EXCAVATION AND SUPPORTING AND HOLDING WORK ASSEMBLY DEVICE OF METHOD OF SILOT CONSTRUCTION
摘要
申请公布号
JPS5280627(A)
申请公布日期
1977.07.06
申请号
JP19750157345
申请日期
1975.12.26
申请人
NAGATA MASARU
发明人
NAGATA MASARU
分类号
E21D11/40;E21D9/00
主分类号
E21D11/40
代理机构
代理人
主权项
地址
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