The package article comprises a shirred casing having at least one unshirred portion and having disposed inside said unshirred portion at least two pairs of flattening annular disks with a central hole in {HEAD ~ each} of {TAIL ~ said annular disks} 
The package article comprises a shirred casing having at least one unshirred portion and having disposed inside said unshirred portion at least two pairs of flattening annular disks with a central hole in { HEAD ~ each } of { TAIL ~ said annular disks }
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