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经营范围
发明名称
RAILROAD CROSSING STRUCTURE
摘要
申请公布号
JPS5275705(A)
申请公布日期
1977.06.25
申请号
JP19750152252
申请日期
1975.12.19
申请人
TOUTETSU KOUGIYOU KK;TOUKIYOU TETSUKOU KIYOURIYOU SEISAKUSHIYO KK;SANWA KIKOU KK
发明人
NARA ICHIROU;NAKAMURA YOSHIMITSU;AKATA TAKANORI
分类号
E01C9/04
主分类号
E01C9/04
代理机构
代理人
主权项
地址
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