A. O. SMITH (CHINA) WATER HEATER COMPANY LTD.
A. O. SMITH (CHINA) WATER HEATER COMPANY LTD. Patent applications | ||
Patent application number | Title | Published |
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20120240402 | MANUFACTURING METHOD FOR BOTTOM COVER HEAT EXCHANGING ASSEMBLY OF WATER HEATER AND SPECIAL TOOL THEREOF - A manufacturing process of a heat-exchange assembly of a water heater bottom cover is disclosed. The process comprises the following steps: after blanking, the bottom cover ( | 09-27-2012 |