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- Gübelin
Country City Lucerne
Symbol cartouche, frame, infinity, oval, zigzag
Shape cartouche, frame, oval
Era e.1854
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- Langhammer, Karl
Country Era 1867-1922
Symbol cartouche, frame, infinity, oval, rectangle
Shape cartouche, frame, oval, rectangle
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- Preformed Parts Inc.
Country City Pleasantville NY
Symbol infinity
Era c.1950