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公开(公告)号：US2301689A
公开(公告)日：1942-11-10
申请号：US42778642
申请日：1942-01-22
Applicant: GEN ELECTRIC
Inventor： EDWARDS MARTIN A , SAGE RUSSELL S , LA ROQUE HAROLD B
IPC: B66B1/12
CPC classification number: B66B1/12
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