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公开(公告)号:US1107385A
公开(公告)日:1914-08-18
申请号:US1914812813
申请日:1914-01-17
Applicant: VINCENT PYWELL
Inventor: VINCENT PYWELL
CPC classification number: E06B7/22
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公开(公告)号:US681426A
公开(公告)日:1901-08-27
申请号:US1901058855
申请日:1901-05-06
Applicant: VINCENT PYWELL
Inventor: VINCENT PYWELL
CPC classification number: E05Y2201/264
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