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公开(公告)号：US2591156A
公开(公告)日：1952-04-01
申请号：US14890750
申请日：1950-03-10
Applicant: MELL A BOLTON
Inventor： HUBER WILLIAM J
IPC: F01L1/28
CPC classification number: F01L1/285
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公开(公告)号：US2192913A
公开(公告)日：1940-03-12
申请号：US13610337
申请日：1937-04-10
Applicant: MELL A BOLTON
Inventor： HUBER WILLIAM J
IPC: F01L1/28
CPC classification number: F01L1/28
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