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E05B65/0003—Locks or fastenings for special use for locking a plurality of wings, e.g. simultaneously
FR654744D1927-10-181928-04-06
Improvements to the closing and locking systems of several openings or drawers by means of a single lock
ExpiredFR654744A
(en)
Improvements to shutters, blinds and flexible roofs, or others, and to closing systems that can be applied to them as well as to other articles or devices