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11.Method of imparting dimensional stability to felt backed surface coverings 失效
Title translation: 赋予毡背面覆层的尺寸稳定性的方法公开(公告)号:US2989414A
公开(公告)日:1961-06-20
申请号:US78417858
申请日:1958-12-31
Applicant: CONGOLEUM NAIRN INC
Inventor: CALMAN PECKER
IPC: D06N7/00
CPC classification number: D06N7/0068 , D06N7/0073 , D06N2201/04 , D06N2201/042 , D06N2201/06 , D06N2203/045 , D06N2203/047 , D06N2203/048 , D06N2203/08 , D06N2205/026 , D06N2209/0807 , D06N2209/105 , D06N2209/128 , D06N2209/143 , D06N2209/1628 , D06N2209/1685 , D06N2211/06 , D06N2211/12