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Leon Rubinstein

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Electrical circuit interconnection

H - Electricity – 01 – R
Patent

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Low-cost roller-type photographic fluid spreading apparatus

G - Physics – 03 – D
Patent

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Photographic apparatus

G - Physics – 03 – B
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Photographic apparatus

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Patent

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Photographic apparatus support

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Patent

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Electrical circuit interconnection

H - Electricity – 01 – R
Patent

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Photographic oxidizers and screens

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Patent

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Profile ID: LFCA-PAI-P-185485

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