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发明名称
摘要
申请公布号
JPS502673(Y1)
申请公布日期
1975.01.24
申请号
JP19700138212U
申请日期
1970.12.31
申请人
发明人
分类号
E05F7/00;(IPC1-7):E05F7/00
主分类号
E05F7/00
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