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公开(公告)号：US3436353A
公开(公告)日：1969-04-01
申请号：US3436353D
申请日：1959-10-22
Applicant: POLACOAT INC
Inventor： DREYER JOHN F , BALTZER DONALD H
CPC classification number: G03C1/73 , G02B5/23 , Y10S430/163
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