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发明名称
摘要
申请公布号
JPS58120348(U)
申请公布日期
1983.08.16
申请号
JP19820018148U
申请日期
1982.02.12
申请人
发明人
分类号
E04G21/02;(IPC1-7):E04G21/02
主分类号
E04G21/02
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代理人
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地址
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