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续表3-2到1994年9月21日止中国专利局已授权的焊接技术领域的实用新型专利★序号实用新型专利名称 申请日 专利号 授权公告日 专利权人 设计人786 自动控温电烙铁 1992 09 29 ZL92217917.4 1993 09 08 王鹤群 王鹤群787 多用微型电焊及 1992 09 28 ZL92217905.0 1993 09 08 蔡
Continued Table 3-2 Utility Model Patents Issued by China Patent Office on September 21, 1994 ★ Serial Number Utility Model Patent Name Date of Application Patent Number Authorized Announcement Day Patentee Designer 786 Automatic Temperature Controlled Electric Iron 1992 09 29 ZL92217917.4 1993 09 08 Wang Hequn Wang Hequn 787 Multi-purpose miniature welding and 1992 09 28 ZL92217905.0 1993 09 08 Cai