- 专利标题: Fire-protection signal system.
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申请号: US1904223459申请日: 1904-09-06
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公开(公告)号: US828047A公开(公告)日: 1906-08-07
- 发明人: SHEPHERD JOHN E
- 申请人: AUTOMATIC FIRE PROT COMPANY
- 专利权人: Automatic Fire Prot Company
- 当前专利权人: Automatic Fire Prot Company
- 优先权: US1904223459 1904-09-06
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