US PATENT SUBCLASS 423 / DIG 34
Pentasils other than MFI and MEL; e.g., AZ-1, TZ-01, TZ-02, TRS, ZBM-10


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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

DIG 34Pentasils other than MFI and MEL; e.g., AZ-1, TZ-01, TZ-02, TRS, ZBM-10