发明名称 PACKING MATERIAL FOR PHOTOSENSITIVE SUBSTANCE
摘要 <p>A light-shielding paper consists of a laminate comprising a substrate, a polyethylene polymer layer comprising 50-100% by weight of L-LDPE and being substantially free from light-shielding material, the laminate as a whole containing light-shielding material, and a protective layer on the side opposite to the polyethylene polymer layer.</p>
申请公布号 JPS58173653(A) 申请公布日期 1983.10.12
申请号 JP19820056642 申请日期 1982.04.07
申请人 FUJI SHASHIN FILM KK 发明人 AKAO MUTSUO
分类号 B65D81/30;B32B27/32;B65D65/40;G03C3/00 主分类号 B65D81/30
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