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发明名称
SLOPE OF CAR LAIN LANDING BRIDGE FOR UNDERGROUND WORK
摘要
申请公布号
JPH04120375(A)
申请公布日期
1992.04.21
申请号
JP19900240310
申请日期
1990.09.11
申请人
TAKENAKA KOMUTEN CO LTD
发明人
NAGASE YOSHINORI
分类号
E01C9/08;E01D21/00;E04G27/00
主分类号
E01C9/08
代理机构
代理人
主权项
地址
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