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发明名称
TRACK CROSSTIE
摘要
申请公布号
JPS60258301(A)
申请公布日期
1985.12.20
申请号
JP19840112843
申请日期
1984.06.01
申请人
CHIYODA KAKO KENSETSU KK
发明人
ISHIWATARI KIYOSHI;ISHIKAWA EIICHI;OKABAYASHI IKUO
分类号
E01B3/28
主分类号
E01B3/28
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代理人
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地址
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