Research of gastight quality for controlled atmosphere storage 果蔬气调贮藏库气密性探讨
2.
Specification for doors , double , gastight airtight , individually dogged , for marine use 船用单扇固定防气体防空气的双层门的规范
3.
Standard specification for doors , double , gastight airtight , individually dogged , for marine use 船用耐气密造不透气双层单独安夹扣的门标准规范
4.
Specification for doors , watertight , gastight airtight and weathertight , individually dogged , for marine use 船用单扇防水防气体防空气和防风雨门规范
5.
Standard specification for doors , watertight , gastight airtight and weathertight , individually dogged , for marine use 船用水密,气密不透气和不透风各扇单独安夹扣的门
6.
Specification for door fittings , for watertight gastight airtight , weathertight , and non - tight doors , for marine use 船用防水防气体防空气和防风雨门配件和非密封门规范
7.
Standard specification for door fittings , for watertight gastight airtight , weathertight , and non - tight doors , for marine use 船用水密,气密不透气和防风雨及无夹扣门的门配件