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经营范围
发明名称
摘要
申请公布号
JPS47953(U)
申请公布日期
1972.08.09
申请号
JP19710000042U
申请日期
1971.01.03
申请人
发明人
分类号
E03D9/08;(IPC1-7):E03D9/08
主分类号
E03D9/08
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代理人
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地址
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