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Guntert & Zimmerman Construction Division, Inc.
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Ripon, CA, US
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Patent Grant
Portable and modular batching and mixing plant for concrete and the...
Patent number
6,186,654
Issue date
Feb 13, 2001
Guntert & Zimmerman Construction Division, Inc.
Ronald M. Gunteret
B28 - WORKING CEMENT, CLAY, OR STONE
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