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公开(公告)号：US2011856A
公开(公告)日：1935-08-20
申请号：US56174231
申请日：1931-09-08
Applicant: HARRISON CHARLES A , WALTER GERSTUNG GEORGE
Inventor： HARRISON CHARLES A , WALTER GERSTUNG GEORGE
IPC: B60H1/00
CPC classification number: B60H1/00328 , B60H1/00042
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