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公开(公告)号：US1742044A
公开(公告)日：1929-12-31
申请号：US16521927
申请日：1927-02-01
Applicant: HURLBURT W SMITH , WILBERT L SMITH
Inventor： ALEXANDER MELDRUM
IPC: B60B1/12
CPC classification number: B60B1/12 , Y10T29/49515 , Y10T29/4992 , Y10T29/4994 , Y10T29/49943 , Y10T29/49972 , Y10T403/4648
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公开(公告)号：US1737935A
公开(公告)日：1929-12-03
申请号：US10867726
申请日：1926-05-12
Applicant: HURLBURT W SMITH , WILBERT L SMITH
Inventor： ALEXANDER MELDRUM
IPC: B60B1/12
CPC classification number: B60B1/12 , Y10T29/49517
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公开(公告)号：US1742965A
公开(公告)日：1930-01-07
申请号：US16597627
申请日：1927-02-04
Applicant: HURLBURT W SMITH , WILBERT L SMITH
Inventor： ALEXANDER MELDRUM
IPC: B60B1/12
CPC classification number: B60B1/12 , Y10T29/49936
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公开(公告)号：US1728428A
公开(公告)日：1929-09-17
申请号：US8845226
申请日：1926-02-15
Applicant: HURLBURT W SMITH , WILBERT L SMITH
Inventor： ALEXANDER MELDRUM
IPC: B60B1/00
CPC classification number: B60B1/00
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