US PATENT SUBCLASS 125 / 901
FORMING PIEZOELECTRIC CRYSTALS

Current as of: June, 1999
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125 /   HD   STONE WORKING

901FORMING PIEZOELECTRIC CRYSTALS

DEFINITION

Classification: 125/901

FORMING PIEZOELECTRIC CRYSTALS:

(under the class definition) Apparatus having means to form an element which has ability to generate voltage when mechanical force is applied or to produce mechanical force when a voltage is applied.