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公开(公告)号:US3391531A
公开(公告)日:1968-07-09
申请号:US53368366
申请日:1966-03-11
Applicant: MACWHYTE COMPANY
Inventor: RIGGS PETER P
CPC classification number: D07B1/167 , D07B1/0693 , D07B5/006 , D07B2201/201 , D07B2201/2012 , D07B2201/2036 , D07B2201/2073