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发明名称
SUCTION HOLE IN SUCTION PART AT TIP OF CLEANING DEVICE FOR CLEANING SLUDGE BETWEEN PEBBLES STORED IN BOTTOM OF WATER TANK OR POND
摘要
申请公布号
JPH10216050(A)
申请公布日期
1998.08.18
申请号
JP19970063715
申请日期
1997.02.10
申请人
NAKAMURA NAOTAKA
发明人
NAKAMURA NAOTAKA
分类号
A47L9/02;A47L7/00;(IPC1-7):A47L7/00
主分类号
A47L9/02
代理机构
代理人
主权项
地址
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