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公开(公告)号：US3785873A
公开(公告)日：1974-01-15
申请号：US3785873D
申请日：1972-07-03
Applicant: ESB INC
Abstract: A storage battery cell having a dry element includes a reservoir containing an electrolyte precursor therewith. To activate the cell, it is filled with water after which the reservoir is punctured by the use of a specialized tool. The tool is forced through an opening in the battery cover puncturing first the top wall and then the bottom wall of the reservoir. In this position, the tool is locked in place against subsequent removal.
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