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公开(公告)号：US2434828A
公开(公告)日：1948-01-20
申请号：US56283244
申请日：1944-11-10
Applicant: ELECTROL INC
Inventor： ASHTON BENJAMIN N , NELSON KLING
IPC: F15B15/26
CPC classification number: F15B15/261
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