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发明名称
摘要
申请公布号
JPH0684615(B2)
申请公布日期
1994.10.26
申请号
JP19900248896
申请日期
1990.09.20
申请人
TOA HARBOR WORKS CO LTD
发明人
MASUDA MINORU;WADA HARUHISA;SUDA KYOSHI;PPONDA SHUICHI
分类号
E02D3/10;G01F23/00;(IPC1-7):E02D3/10
主分类号
E02D3/10
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代理人
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