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发明名称
螺纹挂梁
摘要
后视图与主视图对称,省略后视图。
申请公布号
CN3139590D
申请公布日期
2000.02.23
申请号
CN99306184.2
申请日期
1999.04.16
申请人
杭州锦昌起重机械有限公司
发明人
孙毛宁
分类号
12-99
主分类号
12-99
代理机构
杭州市专利事务所
代理人
陈红
主权项
地址
311103浙江省余杭市五杭镇南街
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