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Home › Disk cartridge made by injecting molten synthetic resin into a mold so that flash lines, weld lines and burn marks do not occur

Disk cartridge made by injecting molten synthetic resin into a mold so that flash lines, weld lines and burn marks do not occur

US Patent 5161081 · Granted Nov 3, 1992

Estimated economic value: $115,000 ⓘ

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