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Priority to JP10642977UpriorityCriticalpatent/JPS5432834U/ja
Publication of JPS5432834UpublicationCriticalpatent/JPS5432834U/ja
Cock device freely adjustable to change in gas flow in combination of main tap cock incorporating overflowrate preventing alve and relief valve mechanism* horizontal feed pipe socket* vertical feed pi
Cock device freely adjustable to change in gas flow in combination of main tap cock incorporating overflowrate preventing alve and relief valve mechanism* horizontal feed pipe socket* vertical feed pi