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经营范围
发明名称
CLEANING DEVICE
摘要
申请公布号
JPH04108579(A)
申请公布日期
1992.04.09
申请号
JP19900225036
申请日期
1990.08.29
申请人
HITACHI LTD
发明人
SATO TAKANORI
分类号
B08B3/08;B01D12/00;B08B3/14;C23G5/04
主分类号
B08B3/08
代理机构
代理人
主权项
地址
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