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发明名称
WATER STOPPAGE METHOD BY PRESSING IN OR CHARGING CHEMICAL AGENT AFTER PIPE IS INSERTED INTO WATER OUTLET
摘要
申请公布号
JPS52101814(A)
申请公布日期
1977.08.26
申请号
JP19760019243
申请日期
1976.02.24
申请人
ONISHI SUMIKO
发明人
OONISHI SUMIKO
分类号
E02D3/12
主分类号
E02D3/12
代理机构
代理人
主权项
地址
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