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发明名称
CUTTING EDGE DEVICE FOR METHOD OF PROPULSION CONSTRUCTION OFARCH TYPE CULVERT
摘要
申请公布号
JPS61254795(A)
申请公布日期
1986.11.12
申请号
JP19850094190
申请日期
1985.05.01
申请人
NIPPON ZENISUPAIPU KK;NIPPON PRESSED CONCRETE CO LTD
发明人
MASUGI YOSHIAKI;NAKAGAWA SHIGEJI
分类号
E21D9/06;E21D9/093
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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