![]() ![]() Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US200956A Inventor Thomas E Lashbrook Current Assignee (The listed assignees may be inaccurate. Google Patents Blade investment casting processÄownload PDF Info Publication number US2793412A US2793412A US200956A US20095650A US2793412A US 2793412 A US2793412 A US 2793412A US 200956 A US200956 A US 200956A US 20095650 A US20095650 A US 20095650A US 2793412 A US2793412 A US 2793412A Authority US United States Prior art keywords blade pattern mold passage turbine Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2793412A - Blade investment casting process US2793412A - Blade investment casting process ![]()
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