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发明名称
摘要
申请公布号
JPS5245568(B2)
申请公布日期
1977.11.17
申请号
JP19740034772
申请日期
1974.03.29
申请人
发明人
分类号
B61B13/12;B61B13/00
主分类号
B61B13/12
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