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发明名称
摘要
申请公布号
JPS439583(Y1)
申请公布日期
1968.04.25
申请号
JP19650019473U
申请日期
1965.03.11
申请人
发明人
分类号
E04D1/34;(IPC1-7):E04D1/34
主分类号
E04D1/34
代理机构
代理人
主权项
地址
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