parts for refrigeration systems, namely, optical and electrical oil level controllers, electro-mechanical oil level regulators, and liquid refrigerant recovery regulators

'control':11 'electr':8 'electro':13 'electro-mechan':12 'level':10,16 'liquid':19 'mechan':14 'name':5 'oil':9,15 'optic':6 'part':1 'recoveri':21 'refriger':3,20 'regul':17,22 'system':4

parts for refrigeration systems, namely, mechanically operable pressure valves, liquid refrigerant receivers, oil line strainers, manual shut off valves, mechanical oil filter driers and metal and glass sight glasses

'drier':23 'filter':22 'glass':27,29 'line':14 'liquid':10 'manual':16 'mechan':6,20 'metal':25 'name':5 'oil':13,21 'oper':7 'part':1 'pressur':8 'receiv':12 'refriger':3,11 'shut':17 'sight':28 'strainer':15 'system':4 'valv':9,19

protective devices for refrigeration equipment, namely, mechanically operable pressure valves and liquid refrigerant receivers

'devic':2 'equip':5 'liquid':12 'mechan':7 'name':6 'oper':8 'pressur':9 'protect':1 'receiv':14 'refriger':4,13 'valv':10

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