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ISO/TC36“电影”于1987年10月在北京召开第13届全会。法国、联邦德国、联合王国、日本、瑞典、捷克、苏联、美国和中国共9个国家的代表参加了会议。会议选举美国的R.Zavada为主席。课题按5个工作组和2个临时工作组分头进行讨论。ISO/TC/WG1“生胶片、尺寸和标记”(主席:Ph.Baby法国)工作项目149“具有图像和磁声带的胶片、尺寸”经过长时期的讨论,终于在北京决定将ISO69修订稿作为国际标准草案(ISO/DIS)。最重的的改动是减小摄影机胶卷上
ISO/TC36“Movies” held its 13th plenary session in Beijing in October 1987. Representatives from nine countries including France, the Federal Republic of Germany, the United Kingdom, Japan, Sweden, the Czech Republic, the Soviet Union, the United States, and China participated in the conference. The meeting elected R. Zavada of the United States as chairman. The topics are discussed in the heads of five working groups and two temporary work groups. ISO/TC/WG1“Film, Dimensions and Markings” (Chairman: Ph.Baby, France) Work item 149“Film with image and magnetic vocal cords, size” After a long period of discussions, it was finally decided in Beijing that ISO 69 revision draft as the International Standard Draft (ISO/DIS). The most important change is to reduce the camera film