发明名称 |
Cassette for self developing cameras |
摘要 |
<p>Cassette holds photographic print paper whose surface carries photographic emulsion which has been made alkaline. A seal is provided which prevents access of carbon dioxide into the cassette in which the paper is rolled up. The negative material comes from another cassette and the negative and paper are pressed together in the camera for developing purposes.</p> |
申请公布号 |
CH502612(A) |
申请公布日期 |
1971.01.31 |
申请号 |
CH19640009925 |
申请日期 |
1964.07.29 |
申请人 |
INTERNATIONAL POLAROID CORPORATION |
发明人 |
HERBERT LAND,EDWIN;KALERVO ELORANTA,WAITO |
分类号 |
G03B17/52;G03C8/34;(IPC1-7):G03B17/52 |
主分类号 |
G03B17/52 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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