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公开(公告)号:US1669862A
公开(公告)日:1928-05-15
申请号:US16364027
申请日:1927-01-26
Applicant: ARNOLD CHRISTIANSON , CHRISTIAN CHRISTIANSON
Inventor: ARNOLD CHRISTIANSON , CHRISTIAN CHRISTIANSON
IPC: B61H13/04
CPC classification number: B61H13/04 , Y10T74/2048
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公开(公告)号:US1664915A
公开(公告)日:1928-04-03
申请号:US15820726
申请日:1926-12-31
Applicant: ARNOLD CHRISTIANSON , CHRISTIAN CHRISTIANSON
Inventor: ARNOLD CHRISTIANSON , CHRISTIAN CHRISTIANSON
IPC: B61F5/14
CPC classification number: B61F5/14
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公开(公告)号:US1676426A
公开(公告)日:1928-07-10
申请号:US13314726
申请日:1926-09-02
Applicant: ARNOLD CHRISTIANSON , CHRISTIAN CHRISTIANSON
Inventor: ARNOLD CHRISTIANSON , CHRISTIAN CHRISTIANSON
IPC: B61D19/00
CPC classification number: B61D19/002
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公开(公告)号:US1639256A
公开(公告)日:1927-08-16
申请号:US8119426
申请日:1926-01-14
Applicant: ARNOLD CHRISTIANSON , CHRISTIAN CHRISTIANSON
Inventor: ARNOLD CHRISTIANSON , CHRISTIAN CHRISTIANSON
IPC: F16D65/06
CPC classification number: F16D65/062