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公开(公告)号：US685994A
公开(公告)日：1901-11-05
申请号：US1901067769
申请日：1901-07-10
Applicant: LEVITAS GERSON , GORCHAKOFF MAURICE
Inventor： LEVITAS GERSON , GORCHAKOFF MAURICE
CPC classification number: A41D1/02
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