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公开(公告)号：US2342635A
公开(公告)日：1944-02-29
申请号：US46701042
申请日：1942-11-26
Applicant: SPECIALTIES DEV CORP
Inventor： FREDERICK BARBER , RONALD SPIDY ALEE
IPC: F16K35/10
CPC classification number: F16K35/10 , Y10T137/71
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