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公开(公告)号：US2443839A
公开(公告)日：1948-06-22
申请号：US67462246
申请日：1946-06-05
Applicant: STEGALL WILBUR D , BRUTON ROBERT L , BARTSON ALBERT J
Inventor： STEGALL WILBUR D , BRUTON ROBERT L , BARTSON ALBERT J
IPC: D03D45/50
CPC classification number: D03D45/50
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公开(公告)号：US2358884A
公开(公告)日：1944-09-26
申请号：US48902943
申请日：1943-05-29
Applicant: STEGALL WILBUR D
Inventor： STEGALL WILBUR D
IPC: D03C5/02
CPC classification number: D03C5/02 , D03C2700/0122 , Y10T74/18272
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