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公开(公告)号：US3007808A
公开(公告)日：1961-11-07
申请号：US78803159
申请日：1959-01-21
Applicant: ARMSTRONG CORK CO
Inventor： SMITH THOMAS B
IPC: D06N7/00
CPC classification number: D06N7/0071 , D06N2201/047 , D06N2203/041 , D06N2203/045 , D06N2203/048 , D06N2205/026 , D06N2209/0823 , D06N2211/066 , Y10T428/264 , Y10T428/31815 , Y10T442/2074 , Y10T442/2369
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