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公开(公告)号：US3503788A
公开(公告)日：1970-03-31
申请号：US3503788D
申请日：1967-02-03
Applicant: RAYMOND INT INC
Inventor： FRANKLIN MATTHEW J , NEEDHAM CARL W
CPC classification number: B28B11/245 , B28B11/247 , B28B19/0038 , B28B21/92
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