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经营范围
发明名称
PIPE COUPLING
摘要
申请公布号
CA708089(A)
申请公布日期
1965.04.20
申请号
CAD708089
申请日期
申请人
NATIONAL SEWER PIPE LIMITED
发明人
BERNARD R. HEPBURN
分类号
主分类号
代理机构
代理人
主权项
地址
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