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公开(公告)号：US1653336A
公开(公告)日：1927-12-20
申请号：US73739324
申请日：1924-09-12
Applicant: BLASKI ALOYZIUS R
Inventor： BLASKI ALOYZIUS R
IPC: E05F11/12
CPC classification number: E05F11/12 , E05Y2900/154
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