| 摘要 |
A photograph album page is made of precut sheets of a transparent flexible film material which are sealed to and over the faces of an opaque flexible backing sheet so as to form thereupon photo-protective sleeves extending between slits formed along opposite margins of the transparent sheets. The sheets are made of thermoplastic resin materials and are heat-sealed together along their edges and along the bottom border and partly along the top border of each sleeve portion. Each sleeve thus has a side opening and open ends for easy insertion and removal of photographs which fit under and are viewed through the sleeve. cutaway portions of the transparent sheets along the sleeve portions expose matte areas of the backing which are receptive to photo-identifying pen or pencil markings.
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