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发明名称
摘要
申请公布号
JPS53108072(U)
申请公布日期
1978.08.30
申请号
JP19770011576U
申请日期
1977.02.04
申请人
发明人
分类号
B66C13/20;B66C13/18;B66C15/00;F15B20/00;(IPC1-7):B66C13/18;B66C23/54
主分类号
B66C13/20
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代理人
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