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发明名称
STIFFENING GIRDER OF SUSPENSION BRIDGE HAVING DOUBLE CONCRETE FLOOR SYSTEM
摘要
申请公布号
JPH02243807(A)
申请公布日期
1990.09.27
申请号
JP19890062140
申请日期
1989.03.16
申请人
TOPY IND LTD
发明人
NAKAYAMA YOSHIAKI
分类号
E01D11/00;E01D2/00;E01D11/02;E01D19/12
主分类号
E01D11/00
代理机构
代理人
主权项
地址
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