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发明名称
INCLINED STRAIGHT ADVANCING DEVICE OF TRENCHER
摘要
申请公布号
JPS52100702(A)
申请公布日期
1977.08.24
申请号
JP19760016982
申请日期
1976.02.20
申请人
KATAYAMA SEISAKUSHO
发明人
KATAYAMA KEIJIROU
分类号
E02F5/14;E02F3/08;E02F5/06
主分类号
E02F5/14
代理机构
代理人
主权项
地址
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