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发明名称
2JIFUKUKOYOSUCHIIRUFUOOMUNOJIDOSEIGYOSOCHI
摘要
申请公布号
JP2633385(B2)
申请公布日期
1997.07.23
申请号
JP19900284476
申请日期
1990.10.24
申请人
SATO KOGYO KK
发明人
OOIZUMI MASAO;SHIMURA KAZUNOBU
分类号
E21D11/10;(IPC1-7):E21D11/10
主分类号
E21D11/10
代理机构
代理人
主权项
地址
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