发明名称 |
电话交换机 |
摘要 |
|
申请公布号 |
CN300818910D |
申请公布日期 |
2008.08.20 |
申请号 |
CN200730323406.4 |
申请日期 |
2007.09.19 |
申请人 |
松下电器产业株式会社 |
发明人 |
谷笃史 |
分类号 |
14-03 |
主分类号 |
14-03 |
代理机构 |
北京银龙知识产权代理有限公司 |
代理人 |
张敬强 |
主权项 |
|
地址 |
日本大阪府 |
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