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1.发明授权
公开(公告)号：US1428096A
公开(公告)日：1922-09-05
申请号：US45443821
申请日：1921-03-22
Applicant: JOSEPH INGRAM SAMUEL
Inventor： JOSEPH INGRAM SAMUEL
IPC: B29D99/00
CPC classification number: B29D99/0096 , B29L2031/565
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公开(公告)号：US919871A
公开(公告)日：1909-04-27
申请号：US1909471759
申请日：1909-01-11
Applicant: INGRAM SAMUEL , ALLEN GEORGE L
Inventor： INGRAM SAMUEL , ALLEN GEORGE L
CPC classification number: B61L5/00
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