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发明名称
摘要
申请公布号
JPH03121966(U)
申请公布日期
1991.12.12
申请号
JP19900032025U
申请日期
1990.03.28
申请人
发明人
分类号
B61B13/00;(IPC1-7):B61B13/00
主分类号
B61B13/00
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代理人
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地址
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