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Cleaning apparatus for semiconductor wafers; electronic component feeders for electronic circuit board manufacturing machines; electronic component manufacturing machines; etching apparatus for semiconductor manufacturing machines and systems, and parts therefore; etching apparatus for use in manufacturing flat panel displays; exposure apparatus for manufacture of flat panel displays; exposure apparatus for manufacture of semiconductors; heat treatment apparatus for manufacturing semiconductors; holding tools for transfer and storage of semiconductor chips and semiconductor wafers; laminated semiconductor chip manufacturing equipment; laser lift-off devices; machine tools, namely, equipment for making and measuring semiconductor wafers, carrier tapes for small parts; machines and equipment which automatically mount electronic parts such as IC chips on printed circuit boards; machines and equipment which mount IC chips on circuit boards; machines for manufacturing semiconductors; manufacturing apparatus of display; memory chip manufacturing machines; motors, electric, other than for land vehicles; mounting machines and their components for manufacturing semiconductors; parts and fittings for electronic component feeders for electronic circuit board manufacturing machines; parts and fittings for electronic component manufacturing machines; parts and fittings for heat treatment apparatus for manufacturing semiconductors; parts and fittings for laminated semiconductor chip manufacturing equipment; parts and fittings for machines and equipment which automatically mount electronic parts such as IC chips on printed circuit boards; parts and fittings for machines and equipment which mount IC chips on circuit boards; parts and fittings for machines for manufacturing semiconductors; parts and fittings for memory chip manufacturing machines; parts and fittings for mounting machines and equipment of components for manufacturing semiconductors; parts and fittings for semiconductor substrates manufacturing machines; pneumatic or hydraulic machines and instruments; rubber printing roller for electrostatic copying machines; rubber printing roller for facsimile machines; rubber printing roller for printing machines with computers; semiconductor and printed circuit board manufacturing machines and systems using laser; semiconductor substrates manufacturing machines; stamps and plates used for manufacturing process of electronic components and micro computer chips; substrate restraining jig for semiconductor manufacturing equipment