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公开(公告)号：US3154302A
公开(公告)日：1964-10-27
申请号：US16480562
申请日：1962-01-08
Applicant: KUNIMORI MARUYAMA
Inventor： KUNIMORI MARUYAMA
IPC: E05F15/12
CPC classification number: E05F15/616 , E05Y2201/72 , E05Y2900/531 , Y10T74/19656
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