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发明名称
CONSTRUCTION OF UNDERGROUND PIPE BODY
摘要
申请公布号
JPS57146894(A)
申请公布日期
1982.09.10
申请号
JP19810031785
申请日期
1981.03.04
申请人
MATSUSHITA IKUJIROU
发明人
MATSUSHITA IKUJIROU
分类号
E21D9/06;E21D9/08
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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