发明授权
- 专利标题: Package for materials liable to be injured by exposure.
- 专利标题(中): 包装材料容易受到暴露的伤害。
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申请号: US1912722401申请日: 1912-09-26
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公开(公告)号: US1061439A公开(公告)日: 1913-05-13
- 发明人: ALEXANDER WALTER
- 申请人: NAT GUM & MICA COMPANY
- 专利权人: Nat Gum & Mica Company
- 当前专利权人: Nat Gum & Mica Company
- 优先权: US1912722401 1912-09-26
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