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公开(公告)号：US1451121A
公开(公告)日：1923-04-10
申请号：US56017622
申请日：1922-05-11
Applicant: SIMPSON EDITH M , BUCKLES JAMES H
Inventor： SIMPSON EDITH M , BUCKLES JAMES H
CPC classification number: B29C73/066 , B29L2030/00 , Y10T152/10891
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