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发明名称
APPARATUS FOR STARTING AND STOPPING A DRAIN PUMP IN A MANHOL
摘要
申请公布号
JPS51130054(A)
申请公布日期
1976.11.12
申请号
JP19750053218
申请日期
1975.05.06
申请人
IGARASHI TATSUJI
发明人
IGARASHI TATSUJI
分类号
E03F5/22;E03F5/00;F04B49/02;F04B49/06
主分类号
E03F5/22
代理机构
代理人
主权项
地址
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