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Reusable envelopes
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An envelope
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Easy-opening reusable envelopes
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Easy-opening reusable envelopes
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Easy-opening reusable envelopes
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Easy-opening reusable envelopes
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Envelope with and a tab formed from a line of weakness adjacent to a side edge and attached to an opening strip
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ZA96204B
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Reusable envelopes
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Reusable envelopes with flaps, machine readable code obscuring means and stamp affixment indication means to allow inversion of the envelope
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Improvements in and relating to envelopes
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Easy-opening envelopes
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Improvements in and relating to envelopes
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