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发明名称
双向接头
摘要
申请公布号
CN3456582D
申请公布日期
2005.06.29
申请号
CN200430102889.1
申请日期
2004.11.24
申请人
多芬发展与投资有限公司
发明人
弗里德里克·威廉·多芬
分类号
08-08
主分类号
08-08
代理机构
北京康信知识产权代理有限责任公司
代理人
余刚;吴贵明
主权项
地址
联邦德国黑尔斯布鲁克
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