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A light-tightly packaged roll of light-sensitive material
A light-tightly packaged roll of light-sensitive material
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机译:密封包装的感光材料卷
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摘要
A light-tightly packaged roll of light-sensitive material.;A light-tightly packaged roll (13) of light-sensitive material, which comprises an end cover (11,12) for each end surface of the roll and a circumferential cover (13) secured to a leading section (14) of the roll and sealed with the innerside surface of its lateral rims to the innerside surface of corresponding outer rims of the end covers.
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