“斯潘克雷特”钢筋混凝土空心板是采用专利名称为“斯潘克雷特”(Spancerete)的型模机生产的一种钢筋混凝土空心板。这种牌号的型模机最先是西德发明的,五十年代美国从西德引进技术,发展成为具有美国特点的专利。七十年代初,日本从美国引进技术,根据日本多地震的特点,又加以改进,形成具有日本特色的设备,并且建立了“斯潘克雷特”制造株式会社,向国外大量推销,现已在南朝鲜、泰国、新加坡等国建厂。今年一月,我国参加国 The “Spancrete” reinforced concrete hollow slab is a kind of reinforced concrete hollow slab produced by using the Spancerete model machine. This type of molding machine was first invented by West Germany. In the 1950s, the United States introduced technology from West Germany and developed it into a patent with American characteristics. In the early 1970s, Japan introduced technology from the United States, improved it according to the characteristics of Japan’s multiple earthquakes, formed equipment with Japanese characteristics, and established “Spancrete” Manufacturing Co., Ltd., which has been heavily promoted abroad and is now in the south. North Korea, Thailand, Singapore and other countries build factories. In January of this year, China participated in the country