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公开(公告)号:US1930640A
公开(公告)日:1933-10-17
申请号:US57660031
申请日:1931-11-21
Applicant: FIBRE CONDUIT COMPANY
Inventor: BRADLEY ALONZO B , MARCEL BOLIN
IPC: D21J3/00
CPC classification number: D21J3/00
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公开(公告)号:US1939383A
公开(公告)日:1933-12-12
申请号:US57659931
申请日:1931-11-21
Applicant: FIBRE CONDUIT COMPANY
Inventor: BRADLEY ALONZO B
IPC: D21J3/00
CPC classification number: D21J3/00
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公开(公告)号:US1930641A
公开(公告)日:1933-10-17
申请号:US64284932
申请日:1932-11-16
Applicant: FIBRE CONDUIT COMPANY
Inventor: BRADLEY ALONZO B
CPC classification number: F26B25/003 , B65G13/07 , B65G47/57 , B65G2201/02 , B65G2201/0252 , F26B15/10
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