Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
Inventor
active
Early-rain-resistant joint-sealing compounds
Early-rain-resistant joint-sealing compounds
Early-rain-resistant joint-sealing compounds
Use of ethylene oxide/propylene oxide block copolymers in hydrau
Use of nonionic cellulose ethers in joint-sealing materials and
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