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上海市建材业管理办公室、上海市建筑业管理办公室，于１９９９年３月２５日联合发出通知（沪建材办〔１９９９〕３７号文），加强对砼小型空心砌块生产和应用的管理。通知对砼小型空心砌块生产和应用管理作出如下七项规定：一、砼小型空心砌块（以下简称小砌块）产品标识...
Shanghai Building Material Industry Management Office and Shanghai Construction Industry Management Office jointly issued a notice on March 25, 1999 (Shanghai Construction Materials Office [1999] No. 37) to strengthen the management of the production and application of small hollow blocks. The following seven rules are issued for the production and application management of small hollow blocks: First, the small hollow block (hereinafter referred to as small block) product identification...