John E. Demaree

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Simplified trigger, shutter and film advance system for use in a

Photography – With film drive – Film transport cocks shutter
Patent

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Simplified trigger, shutter and film advance system such as for

Photography – With film drive – Film transport cocks shutter
Patent

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Simplified trigger, shutter and film advance system such as for

Patent

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Profile ID: LFUS-PAI-P-1245702

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