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Patent:US2289869


Patent:US 2289869
Title:Counting and indicating device for fluid meters
Date:14.07.1942
Place:Hayward, CA
Country:USA
Person:Berck, William F.
Company:Ralph N. Brodie Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US2289869 (espacenet),  US2289869 (uspto)


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