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Squeeze vessel
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Patent number 4,261,482
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Issue date Apr 14, 1981
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Toyo Seikan Kaisha Limited
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Muneki Yamada
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Collapsible tube and method of manufacture
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Patent number 4,200,051
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Issue date Apr 29, 1980
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Kyodo Insatsu Kabushiki Kaisha
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Yoshihiko Nakahara
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Appliances for treating teeth
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Patent number 4,162,576
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Issue date Jul 31, 1979
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Lion Hamigaki Kabushiki Kaisha
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Kiyochika Takemoto
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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-
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Torsional ultrasonic vibrators
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Patent number 4,144,646
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Issue date Mar 20, 1979
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Lion Hamigaki Kabushiki Kaisha
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Kiyochika Takemoto
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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