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发明名称
摘要
申请公布号
JPS53149371(U)
申请公布日期
1978.11.24
申请号
JP19770055355U
申请日期
1977.04.30
申请人
发明人
分类号
B66D1/04;B66D1/06;(IPC1-7):B66D1/06
主分类号
B66D1/04
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代理人
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