制冷与空调用同轴套管式换热器
Coaxial heat exchanger for refrigeration equipment and air-conditioning

2011-01-10

制冷与空调用壳盘管式换热器
Shell-coils heat exchanger for refrigeration equipment & air-conditioning

2014-05-12

Copper and copper alloys. Seamless, round tubes for air conditioning and refrigeration-Tubes for equipment
铜和铜合金 空调和制冷用无缝圆管

2016-06-30

冷冻空调设备冷凝器用微通道热交换器
Micro channel heat exchanger for condenser used for air conditioning and refrigeration equipment

2014-05-12

Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 2: Tubes for equipment
铜和铜合金.空调和制冷用无缝圆管.第2部分:设备用管

2016-11-01

制冷及热交换器用铜及铜合金无缝翅片管直坯管
Straight seamless base tube of copper and copper alloy fin air-conditioning and heat exchanger

2013-04-25

COPPER AND COPPER ALLOYS. SEAMLESS, ROUND COPPER TUBER FOR AIR CONDITIONING AND REFRIGERATION. PART 2: TUBES FOR EQUIPMENT.
铜和铜合金 空调和制冷用无缝圆形铜管 第2部分:设备用管

2001-11-23