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公开(公告)号：US2412218A
公开(公告)日：1946-12-10
申请号：US55219044
申请日：1944-08-31
Applicant: SARCO COMPANY INC
Inventor： MILTON HILMER , SIGNAROVITZ GEORGE J , NAPIER ADLAM THOMAS
CPC classification number: G05D16/10 , Y10S236/01
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