首页>
外国专利>
A device called a 'safety pin' universal intended to close, Open, Secure, etc., without key or Springs alone or attached to other organs the balcony Doors, Windows, furniture,Safe and everything that is capable of being applied
A device called a 'safety pin' universal intended to close, Open, Secure, etc., without key or Springs alone or attached to other organs the balcony Doors, Windows, furniture,Safe and everything that is capable of being applied