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公开(公告)号：US1355785A
公开(公告)日：1920-10-12
申请号：US36486420
申请日：1920-03-10
Applicant: SCHULTZ EMIL C
Inventor： SCHULTZ EMIL C
IPC: B60C7/10
CPC classification number: B60C7/102 , Y10T152/10009
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