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David A. Ball

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Heating system

F - Mech Eng,Light,Heat,Weapons – 24 – D
Patent

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Power supply

H - Electricity – 02 – P
Patent

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Pulse generators

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Patent

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Scroll compressor

F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent

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Profile ID: LFCA-PAI-P-295035

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