IPC G03B9/28

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IPC G03B9/28 is a category for certain photography patents associated with "Roller blind shutters" or "flexible plate shutters." This wiki has 1 patents in category "IPC G03B9/28".

Patents in category IPC G03B9/28


Enclosing categories IPC G03B9/08, IPC G03B9/00
Subcategories
Keywords Photography
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