JT/T 29.22-93 Technical grade standards for workers in the communications industry-Harbour-Harbour announcers. 1主题内容 与适用范围 JT/T 29.22规定了港口广播员的等级、应知和应会

JT/T 29.23-93 Technical grade standards for workers in the communications industry-Harbour-Harbour ticket sellers. 1主题内容与适用范围 JT/T 29.23规定了港口售票员的等级、应知

JT/T 0036.1-92 Chinese thesaurus of highway & water way transportation Compiling & executive rules of Chinese thesaurus of highway & water

JT/T 56-93 Technical requirements of fit bolt and nut repair for marine diesel engine. 1主题内容与适用范围 JT/T 56规定了船用柴油机紧配螺栓及螺母修理前检查及新制技术要求。 JT/T 56适用于船用柴油机的

JT/T 29.15-93 Technical grade standards for workers in the communications industry-Harbour-Workers for sticking of conveyor belt. 1主题内容与适用范围 JT/T 29.1

JT/T 29.16-93 Technical grade standards for workers in the communications industry Harbour-Workers for prevention of water surface pollution. 1主题内容 与适

JT/T 29.17-93 Technical grade standards for workers in the communications industry-Harbour-Harbour workers for dust removal. 1主题内容与适用范围 JT/T 29.17规定了港

JT/T 29.18-93 Technical grade standards for workers in the communications industry-Harbour-Workers for shifting moving. 1主题内容 与适用范围 JT/T 29.18规定了港口移排工

JT/T 29.19-93 Technical grade standards for workers in the communications industry-Harbour-Workers for coating of timber fire-fighting. 1主题内容 与适用范围 JT

JT/T 29.9-93 Technical grade standards for workers in the communications industry-Harbour-Harbour tally clerks. 1主题内容 与适用范围 JT/T 29.9规定了港口理货员的等级.应知和应会