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Year of Publication 28.09.1999
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Manufacture of telephone debit cards
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Year of Publication 15.04.1999
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Coiled tubing inflatable packer with circulating port
WALTER; JEFFREY S, TUCKER; JAMES C, SCHWEGMAN; STEVEN L, WINSLOW; DONALD W
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Year of Publication 10.10.1995
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Coiled tubing inflatable packer
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Year of Publication 21.06.1995
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Year of Publication 21.06.1995
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