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发明名称
摘要
申请公布号
JPS5639742(Y2)
申请公布日期
1981.09.16
申请号
JP19750065802U
申请日期
1975.05.16
申请人
发明人
分类号
B61B7/06;B61B3/00;B61B13/06;B66C9/02;B66C9/08;E04G3/28;(IPC1-7):B61B13/06;E04G3/16
主分类号
B61B7/06
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代理人
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