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与市政建设有关的专利申请项目简介1.[21] 申请号 88104996 [22] 申请日 88.8.19 [11] 审定号 CN1014473B [71] 申请人北京市第二市政工程公司地址北京市阜外北营房北街九号 [72] 发明人孟平 [74] 专利代理机构建设部专利代理事务所
Brief introduction of patent application related to municipal construction 1.[21] Application No. 88104996 [22] Application day 88.8.19 [11] Approval No. CN1014473B [71] Applicant Beijing No. 2 Municipal Engineering Company Address Beijing Beiwai Beiying No.9 North Street [72] Inventor Meng Ping [74] Patent Agency Construction Patent Agency