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发明名称
摘要
申请公布号
JPH0313269(U)
申请公布日期
1991.02.12
申请号
JP19890074269U
申请日期
1989.06.23
申请人
发明人
分类号
B61B12/12;(IPC1-7):B61B12/12
主分类号
B61B12/12
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代理人
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地址
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