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带水平仪的充电式电钻公告号 CN 3039678D专利号 ZL 943079071公告日1996.1.17颁证日1995.12.9专利权人 上海特浩有限公司设计人 潘援朝
Cordless Drill with Level Announcement No. CN 3039678D Patent No. ZL 943079071 Announcement Date 1996.1.17 Date of Certification 1995.12.9 Patentee Shanghai Tehao Co., Ltd. Designed by Pan Yuanchao