FOREWORD API PUBLICATIONS NECESSARILY ADDRESS PROBLEMS OF A GENERAL NATURE WITH RESPECT TO PARTICULAR CIRCUMSTANCES@ LOCAL@ STATE@ AND FEDERAL LAWS AND REGULATIONS SHOULD BE REVIEWED. API IS NOT UNDERTAKING TO MEET DUTIES OF EMPLOYERS@ MANUFACTURERS@ OR SUPPLIERS TO WARN AND PROPERLY TRAIN AND EQUIP THEIR EMPLOYEES@ AND OTHERS EXPOSED@ CONCERNING HEALTH AND SAFETY RISKS AND PRECAUTIONS@ NOR UNDERTAKING THEIR OBLIGATIONS UNDER LOCAL@ STATE@ OR FEDERAL LAWS. NOTHINGT CONTAINED IN ANY API PUBLICATION IS TO BE CONSTRUED AS GRANTING ANY RIGHT@ BY IMPLICATION OR OTHERWISE@ FOR THE MANUFACTURE@ SALE@ OR USE OF ANY METHOD@ APPRATUS@ OR PRODUCT COVERED BY LETTERS PATENT. NEITHER SHOULD ANYTHING CONTAINED IN THE PUBLICATION BE CONSTRUED AS INSURING ANYONE AGANST LIABILTY FOR INFRINGEMENT OF LETTERS PATENT. API IS NOT RESPONSIBLE FOR THE ACCURACY OR CURRENTNESS OF THE LAWS AND REGULATION CITED AND DESCRIBED IN THIS PUBLICATION. THE MOST CURRENT VERSIONS OF SUCH LAWS AND REGULATIONS SHOULD BE CONSULTED.
DR74-1988由API - American Petroleum Institute 发布于 1988-02-01,并于 2011-04-01 实施。
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