| http://www.w3.org/ns/prov#value | - The product 23 shown in FIG. 3 or in FIG. 7, can be inserted in a single insertion step to form a frequently desired insert of different product subject matter which is loosely within each other, for introduction into a magazine, newspaper, periodical or the like, so that two different types of products can be inserted in one handling step, which is time-saving, efficient, and hence results in cos
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