Equipped with filtering acid mist flame-proof device, more safe and reliable.
装备了过滤酸雾隔爆装置，更安全可靠。
The utility model relates to an obstruction-proof device for exhaust holes of domestic pressure cookers.
本实用新型是家用压力锅排汽孔防堵塞装置。
The new and practical drop-proof device plays the function of ensuring safety of the scaffold in the course of lifting up and down.
实用新型的防下坠装置在架体升降过程中起到保证安全的作用。
The utility model provides the a valve rod leakage-proof device of a gland type valve, comprising clamp apparatus and special bolts;
本实用新型提供了一种压盖式阀门的阀杆防漏装置。
In this paper, a conical swirl-proof device is proposed to prevent eddy and flow separation in the water - inhaling pipe of the pump.
本文提出了一种消除泵站水泵吸水管内旋涡和流动分离的圆锥形防涡装置。
This paper introduces the application of the sliding-down-proof device in the inclined tunnel, and puts forward the improving measures for sensing mode.
文章介绍了斜巷防跑车装置的应用，提出传感方式的改进措施。
The explosion-proof device of the utility model, which is used on the pressure cooker, has a simple structure, and the use process is safe and reliable.
本实用新型的压力锅用防爆装置结构简单，且使用过程安全可靠。
The invention relates to a digital cipher code protection device, especially a grille window small display screen cipher code theft-proof device used for ATM and counter of bank.
本发明涉及一种数字密码保护装置，特别是用于银行的自动取款机及柜面使用的格子窗小显示屏数字密码防盗器。
The utility model discloses a wind-proof device of a hook. The wind-proof device is arranged on the hook, and the hook is connected with the wind-proof device through a movable connecting piece.
本实用新型公开了一种挂钩的防风装置，所述的挂钩上设有防风装 置，挂钩与防风装置通过活动连接件连接在一起。
The company has installed "the HAN Insulating and Explosion or Burglar-Proof Device of Refuel" in the Wanli System, and promoted "The China Petroleum Wanli Card".
公司在万里系统内安装“HAN阻隔防爆橇装式加油（气）装置”，推广“中油万里卡”。
The company has installed "the HAN Insulating and Explosion or Burglar-Proof Device of Refuel" in the Wanli System, and promoted "The China Petroleum Wanli Card".
公司在万里系统内安装“HAN阻隔防爆橇装式加油（气）装置”，推广“中油万里卡”。
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