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发明名称
TROUGH
摘要
申请公布号
JPS6221939(A)
申请公布日期
1987.01.30
申请号
JP19850160874
申请日期
1985.07.19
申请人
HITACHI ZOSEN CORP
发明人
NISHINO YOSHINORI;UDA TADAYOSHI;SHIRAISHI YASUAKI
分类号
E03F5/04
主分类号
E03F5/04
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代理人
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