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公开(公告)号:US1676705A
公开(公告)日:1928-07-10
申请号:US17037227
申请日:1927-02-23
Applicant: WILHELM PALM PER
Inventor: WILHELM PALM PER
IPC: B60C27/06
CPC classification number: B60C27/06
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公开(公告)号:US1717732A
公开(公告)日:1929-06-18
申请号:US24743528
申请日:1928-01-17
Applicant: WILHELM PALM PER
Inventor: WILHELM PALM PER
IPC: B60B15/26
CPC classification number: B60B15/266
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