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经营范围
发明名称
HYDRANT THAWING MACHINE
摘要
申请公布号
CA2015672(A1)
申请公布日期
1991.10.27
申请号
CA19902015672
申请日期
1990.04.27
申请人
REGIONAL MUNICIPALITY OF OTTAWA-CARLETON
发明人
ROSS, MAX A.
分类号
E03B7/14;(IPC1-7):E03B7/10
主分类号
E03B7/14
代理机构
代理人
主权项
地址
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