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公开(公告)号：US1442097A
公开(公告)日：1923-01-16
申请号：US51429821
申请日：1921-11-10
Applicant: FOSTER MERRIAM AND COMPANY
Inventor： ROWNTREE FRANK L
IPC: B60B33/00
CPC classification number: B60B33/0002 , Y10T16/19
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公开(公告)号：US1203054A
公开(公告)日：1916-10-31
申请号：US10829916
申请日：1916-07-10
Applicant: FOSTER MERRIAM AND COMPANY
Inventor： ROWNTREE FRANK L
CPC classification number: B60B33/0002 , Y10T16/1867 , Y10T16/211
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公开(公告)号：US1203053A
公开(公告)日：1916-10-31
申请号：US10829816
申请日：1916-07-10
Applicant: FOSTER MERRIAM AND COMPANY
Inventor： ROWNTREE FRANK L
CPC classification number: B60B33/0002 , Y10T16/202
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