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公开(公告)号:US2449307A
公开(公告)日:1948-09-14
申请号:US76397747
申请日:1947-07-26
Applicant: ELLCON COMPANY
Inventor: MERSEREAU EVERARD C
IPC: B61D49/00
CPC classification number: B61D49/00
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公开(公告)号:US2547483A
公开(公告)日:1951-04-03
申请号:US10634149
申请日:1949-07-23
Applicant: ELLCON COMPANY
Inventor: MERSEREAU EVERARD C
IPC: B61D49/00
CPC classification number: B61D49/00
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