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解放前,我国处于半封建半殖民地社会,产品型号繁杂、规格混乱,执行的标准是“万国牌”。据1947年6月不完全统计,全国有化工产品333个,当时的“中央”标准局共批标准171个,其中化工标准60个。解放初期,参照苏联国家标准,逐步制定我国的标准。在1950年召开的第一次全国橡胶工业会议上,就对橡胶用主要原材料拟定了技术要求。1953年12月30日,原重工业部首次对硫酸等6个基本化学品颁布了部试行标准草案(见表1):
Before liberation, China was in a semi-feudal and semi-colonial society. Its product models were complex and the specifications were confusing. The implementation standard was the “National Card”. According to incomplete statistics in June 1947, there were 333 chemical products in the country. At that time, the “Central” Bureau of Standards approved a total of 171 standards, including 60 chemical standards. In the early days of the liberation, with reference to Soviet national standards, China’s standards were gradually formulated. At the first national rubber industry conference held in 1950, technical requirements for the main raw materials for rubber were formulated. On December 30, 1953, the former Ministry of Heavy Industry issued for the first time a draft test standard for six basic chemicals such as sulfuric acid (see Table 1):