发明授权
- 专利标题: Thermally protective camera case
- 专利标题(中): 保温相机外壳
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申请号: US08992051申请日: 1997-12-17
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公开(公告)号: US06377755B1公开(公告)日: 2002-04-23
- 发明人: Frederick R. Chamberlain , John A. Agostinelli , Henry J. Gysling
- 申请人: Frederick R. Chamberlain , John A. Agostinelli , Henry J. Gysling
- 主分类号: G03B1700
- IPC分类号: G03B1700
摘要:
The invention relates to an article comprising photographic silver halide film substantially surrounded by a container comprising a phase change material, wherein said container will maintain said film at a temperature of below 130° F.(55° C.) when said container is repeatedly cycled over a 24-hour period reaching 180° F.(82° C.) for four hours.
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