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１９９９年第１号（总第１号）国家质量技术监督局批准以下５６项国家标准样品，现予以公布。一九九九年四月十三日中华人民共和国国家标准样品批准发布公告$国家质量技术监督局
1999 No. 1 (Total No. 1) State Quality and Technical Supervision approved the following 56 national standard samples, is to be announced. April 13, 1999 People’s Republic of China National Standard Sample Approval Announcement $ State Quality and Technical Supervision