US PATENT SUBCLASS 438 / FOR 438
FORMING HOLLOW BODIES AND ENCLOSED CAVITIES (437/927)


Current as of: June, 1999
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438 /   HD   SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

FOR 438FORMING HOLLOW BODIES AND ENCLOSED CAVITIES (437/927)


DEFINITION

Classification: 438/FOR.438

FORMING HOLLOW BODIES AND ENCLOSED CAVITIES:

Foreign art collection involving use of hollow structures and cavities having material surrounding the same.