identification sign meaning in English

标识符号
标识记号
识别标志
识别符号, 识别记号
识别记号

Classification and identification signs of household lock stitch sewing machine heads
家用锁线缝纫机机头的分类和表示符号
Identification signs and terms on classification of sewing machine heads for industrial use
工业用缝纫机机头分类的标识符号和术语
Any railway worker when carrying out transport safety inspection shall bear an on - duty identification sign
实施运输安全检查的铁路职工应当佩戴执勤标志。
Trademark is a commercial identification sign provided by the dealer in the use of the goods or services , in order to distinguish goods or services from others
商标是经营者在商品或服务上使用的,将自己经营的商品或提供的服务与其他经营者经营的商品或提供的服务区别开来的一种商业性识别标记。