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公开(公告)号：US2221441A
公开(公告)日：1940-11-12
申请号：US31389740
申请日：1940-01-15
Applicant: CHARTERS GEORGE W
Inventor： CHARTERS GEORGE W
CPC classification number: D21H1/06 , B05C11/025 , D21H25/12 , Y10T156/1727
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公开(公告)号：US2114701A
公开(公告)日：1938-04-19
申请号：US17920537
申请日：1937-12-10
Applicant: CHARTERS GEORGE W
Inventor： CHARTERS GEORGE W
IPC: B65D65/38
CPC classification number: B65D65/38
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