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发明名称
WATER SUPPLY AND DRAINING MECHANISM IN GROUND OR RACE TRACK COMPRISING SOIL
摘要
申请公布号
JPS56167008(A)
申请公布日期
1981.12.22
申请号
JP19800070633
申请日期
1980.05.27
申请人
TAISEI DOURO KK
发明人
YAMAMOTO YONEHIRO
分类号
E01C13/00
主分类号
E01C13/00
代理机构
代理人
主权项
地址
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