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发明名称
摘要
申请公布号
JP2895595(B2)
申请公布日期
1999.05.24
申请号
JP19900249339
申请日期
1990.09.18
申请人
KITAGAWA TETSUKOSHO KK
发明人
SHIRAKI HISASHI;NAGAHISA TOSHIO;HARADA KENJI
分类号
E02D3/12;B63B35/00;E02B3/18;E02D15/10;(IPC1-7):B63B35/00
主分类号
E02D3/12
代理机构
代理人
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