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公开(公告)号:US1271391A
公开(公告)日:1918-07-02
申请号:US17920417
申请日:1917-07-07
Applicant: TROJAN JOSEPH E
Inventor: TROJAN JOSEPH E
CPC classification number: E06C5/18
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公开(公告)号:US1484588A
公开(公告)日:1924-02-19
申请号:US50375821
申请日:1921-09-28
Applicant: TROJAN JOSEPH E
Inventor: TROJAN JOSEPH E
IPC: B60B25/16
CPC classification number: B60B25/16
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