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发明名称
MODIFICATION OF GRADE OF SLOPE FACE
摘要
申请公布号
JPH02200919(A)
申请公布日期
1990.08.09
申请号
JP19890019672
申请日期
1989.01.31
申请人
RAILWAY TECHNICAL RES INST;TOKYU CONSTR CO LTD
发明人
MURATA OSAMU;TATEYAMA MASARU;NAKAMURA KAZUYUKI;TAMURA YUKIHIKO;NISHIOKA SATORU;TEI KOJI;TSUBOUCHI TATSUYA;KADOWAKI SUSUMU;OTAKA YOICHI;SASAKI TOSHINOBU
分类号
E02D17/20;E01B1/00
主分类号
E02D17/20
代理机构
代理人
主权项
地址
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