-
-
-
-
-
3740207
-
Patent number 3,740,207
-
Issue date Jun 19, 1973
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
3660066
-
Patent number 3,660,066
-
Issue date May 2, 1972
-
C03 - GLASS MINERAL OR SLAG WOOL
-
3346359
-
Patent number 3,346,359
-
Issue date Oct 10, 1967
-
C03 - GLASS MINERAL OR SLAG WOOL
-
3284182
-
Patent number 3,284,182
-
Issue date Nov 8, 1966
-
C03 - GLASS MINERAL OR SLAG WOOL
-
3077755
-
Patent number 3,077,755
-
Issue date Feb 19, 1963
-
C03 - GLASS MINERAL OR SLAG WOOL