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(1 971 2 0 0 1 )1971年2月 创刊号正式出版 ,定名为《砖瓦工业情报》。第一期发行量 30 0册 ,免费赠阅。第四期发行量 2 0 0 0册全年共出 4期1972年5月 《砖瓦工业情报》正式开始征订 ,每册定价0 30元发行量 5 0 0 0册 ,全年共出 5期1973年1月 根据国家建委建材工业
(1 971 2 0 0 1) The first issue of February 1971 was officially published as “Brick and Tile Industry Intelligence.” The first issue of 30 0 volumes, free subscription. Issue 4 Volume 2 0 0 Volume 4 out of a year The May 1972 Brick & Tile Industry Intelligence officially began to be booked, with a price of 0,30 yuan per copy and a circulation of 5 0 0 0 volumes. January 1973 According to the State Construction Committee building materials industry