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发明名称
COUPLING SLEEVE FOR THE CONNECTION OF TWO PLASTIC PIPES
摘要
申请公布号
HR20000514A1
申请公布日期
2001.06.30
申请号
HR20000000514
申请日期
2000.08.01
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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