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公开(公告)号：US786979A
公开(公告)日：1905-04-11
申请号：US1901048669
申请日：1901-02-25
Applicant: LIBERMAN ISADORE , LIBERMAN BERNARD , EXECUTORS LEON GROSS
Inventor： LIBERMAN ISADORE , LIBERMAN BERNARD , EXECUTORS LEON GROSS
CPC classification number: C14B5/00 , Y10T83/798
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