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3874140
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Information
Patent Grant
3874140
References
Source
Patent Number
3,874,140
Date Filed
Not available
Date Issued
Tuesday, April 1, 1975
49 years ago
CPC
E04C2/041 - composed of a number of smaller elements
B28B19/0007 - for producing articles with exposed aggregate
B28B19/0053 - to tiles, bricks or the like
B44F9/04 - of stone surfaces
E04C2002/008 - Panels with the appearance of a natural stone wall
US Classifications
052 - Static structures
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